UPPSC & SPSC Prelims Accelerator Program
βFast-Track Your Selection with 4000+ High-Yield MCQs!
βProgram Highlights:
β βDaily 9 PM Bot Quiz: Practice 30+ targeted MCQs every day (Sunday OFF).
β βComprehensive Coverage: Master State PSC PYQs (UPPSC, OPSC, RAS, GPSC, CGPSC, MPSC, MPPSC, KAS, JKPSC) + Current Affairs + Statics.
β βStructured Preparation: Full syllabus schedule included to keep you on track.
β β24/7 Revision: Missed the quiz? MCQs are available anytime for seamless revision.
β βMassive Question Bank: Gain access to a total of 4000+ MCQs.
Schedule - CLICK HERE
Enroll CLICK HERE
β Short notes topic wise Click here
β Daily Quiz summary with themes wise arrangedCLICK HERE
βFast-Track Your Selection with 4000+ High-Yield MCQs!
βProgram Highlights:
β βDaily 9 PM Bot Quiz: Practice 30+ targeted MCQs every day (Sunday OFF).
β βComprehensive Coverage: Master State PSC PYQs (UPPSC, OPSC, RAS, GPSC, CGPSC, MPSC, MPPSC, KAS, JKPSC) + Current Affairs + Statics.
β βStructured Preparation: Full syllabus schedule included to keep you on track.
β β24/7 Revision: Missed the quiz? MCQs are available anytime for seamless revision.
β βMassive Question Bank: Gain access to a total of 4000+ MCQs.
βSpecial Offer Fee: Only βΉ699
β οΈ LIMITED SEATS AVAILABLE β Secure Your Spot Today!
Schedule - CLICK HERE
Enroll CLICK HERE
β Short notes topic wise Click here
β Daily Quiz summary with themes wise arrangedCLICK HERE
β€1
STATE PSC PRELIMS ACCELERATOR PROGRAM .pdf
6.6 MB
You do not need to worry about missing the last four weeks of quizzes. All previous bot quizzes will be available for you to reattempt from August 24 onwards during the revision quiz period.
π Vedangas (Six Limbs of the Vedas)
π About
β Vedangas are the six auxiliary disciplines essential for the study, understanding, and preservation of the Vedas
β They are regarded as the organs (Angas) of the Veda Purusha
π 1οΈβ£ Shiksha (Phonetics)
π Focus
β Deals with pronunciation, accent, stress, melody, and euphonic combinations in Vedic recitation
β Ensures the correct chanting of Vedic hymns and preserves their ritual efficacy
β Known as the most important Vedanga
π Key Facts
β Meaning β Instruction
β Main texts β Paniniya Shiksha, Yajnavalkya Shiksha, Vasishthi Shiksha
β Pratisakhyas guide the recitation of different Vedas
β Associated with Rigveda, Krishna Yajurveda, Shukla Yajurveda, and Atharvaveda
π 2οΈβ£ Kalpa (Rituals & Ethics)
π Focus
β Deals with Vedic rituals, sacrifices, rites of passage, and social conduct
β Provides practical rules for performing religious ceremonies
π Types of Kalpa Sutras
β Shrauta Sutras β Public sacrifices and priestly duties
β Grihya Sutras β Domestic rituals
β Dharma Sutras β Social conduct, duties, and law
β Forms the basis of later Dharmashastra traditions
π 3οΈβ£ Vyakarana (Grammar)
π Focus
β Deals with Sanskrit grammar, word formation, and sentence structure
β Known as the Mouth of Veda Purusha
π Key Facts
β Paniniβs Ashtadhyayi is the foundational text
β Based on Prakriti (root) and Pratyaya (suffix)
β Important commentators β Vararuci and Sage Patanjali
π 4οΈβ£ Nirukta (Etymology)
π Focus
β Explains the meaning and origin of difficult Vedic words
β Known as the Ears of Veda Purusha
π Key Facts
β Yaska is the foremost authority on Nirukta
β Commentary on the Nighantu, an early Vedic glossary
β Explains symbolic and obscure Vedic terms
π 5οΈβ£ Chhanda (Prosody)
π Focus
β Deals with the metrical structure of Vedic hymns
β Based on Guru (heavy) and Laghu (light) syllables
π Importance
β Ensures correct recitation and acts as an error-correcting tool
β Rig Veda and Sama Veda are mainly in verse
β Yajur Veda contains both prose and poetry
π 6οΈβ£ Jyotisha (Astronomy & Astrology)
π Focus
β Determines auspicious timings for Vedic rituals using the movements of celestial bodies
β Known as the Eyes of Veda Purusha
π Key Facts
β Sage Bhrigu is traditionally associated with its development
β Influenced by Mesopotamian, Egyptian, Persian, Greek, and Islamic traditions
β Important scholars include Aryabhatta, Varahamihira, and Bhaskaracharya
π Vedangas at a Glance
β Shiksha β Phonetics & Pronunciation
β Kalpa β Rituals, Ceremonies & Ethics
β Vyakarana β Grammar
β Nirukta β Etymology & Meaning of Words
β Chhanda β Meters & Prosody
β Jyotisha β Astronomy, Astrology & Auspicious Timings
#prelims
#art_and_culture
https://t.me/Studytoday1
https://t.me/upsc_art_and_culture
π About
β Vedangas are the six auxiliary disciplines essential for the study, understanding, and preservation of the Vedas
β They are regarded as the organs (Angas) of the Veda Purusha
π 1οΈβ£ Shiksha (Phonetics)
π Focus
β Deals with pronunciation, accent, stress, melody, and euphonic combinations in Vedic recitation
β Ensures the correct chanting of Vedic hymns and preserves their ritual efficacy
β Known as the most important Vedanga
π Key Facts
β Meaning β Instruction
β Main texts β Paniniya Shiksha, Yajnavalkya Shiksha, Vasishthi Shiksha
β Pratisakhyas guide the recitation of different Vedas
β Associated with Rigveda, Krishna Yajurveda, Shukla Yajurveda, and Atharvaveda
π 2οΈβ£ Kalpa (Rituals & Ethics)
π Focus
β Deals with Vedic rituals, sacrifices, rites of passage, and social conduct
β Provides practical rules for performing religious ceremonies
π Types of Kalpa Sutras
β Shrauta Sutras β Public sacrifices and priestly duties
β Grihya Sutras β Domestic rituals
β Dharma Sutras β Social conduct, duties, and law
β Forms the basis of later Dharmashastra traditions
π 3οΈβ£ Vyakarana (Grammar)
π Focus
β Deals with Sanskrit grammar, word formation, and sentence structure
β Known as the Mouth of Veda Purusha
π Key Facts
β Paniniβs Ashtadhyayi is the foundational text
β Based on Prakriti (root) and Pratyaya (suffix)
β Important commentators β Vararuci and Sage Patanjali
π 4οΈβ£ Nirukta (Etymology)
π Focus
β Explains the meaning and origin of difficult Vedic words
β Known as the Ears of Veda Purusha
π Key Facts
β Yaska is the foremost authority on Nirukta
β Commentary on the Nighantu, an early Vedic glossary
β Explains symbolic and obscure Vedic terms
π 5οΈβ£ Chhanda (Prosody)
π Focus
β Deals with the metrical structure of Vedic hymns
β Based on Guru (heavy) and Laghu (light) syllables
π Importance
β Ensures correct recitation and acts as an error-correcting tool
β Rig Veda and Sama Veda are mainly in verse
β Yajur Veda contains both prose and poetry
π 6οΈβ£ Jyotisha (Astronomy & Astrology)
π Focus
β Determines auspicious timings for Vedic rituals using the movements of celestial bodies
β Known as the Eyes of Veda Purusha
π Key Facts
β Sage Bhrigu is traditionally associated with its development
β Influenced by Mesopotamian, Egyptian, Persian, Greek, and Islamic traditions
β Important scholars include Aryabhatta, Varahamihira, and Bhaskaracharya
π Vedangas at a Glance
β Shiksha β Phonetics & Pronunciation
β Kalpa β Rituals, Ceremonies & Ethics
β Vyakarana β Grammar
β Nirukta β Etymology & Meaning of Words
β Chhanda β Meters & Prosody
β Jyotisha β Astronomy, Astrology & Auspicious Timings
#prelims
#art_and_culture
https://t.me/Studytoday1
https://t.me/upsc_art_and_culture
β€4π1
#Goodmorning
β³15 days left CSM26 [ 21-08-26]
β³290 days left CSP27 [ 23-05-27]
β³379 days left CSM27 [ 20-08-27]
β³122 days left UPPSC/RAS prelims 6 December
β³39 Day left CDS/NDA 2 13 Sept
β³33 day left Mppsc mains26 7 September
β³2 days left Afcat 8 august
β³2 days left mppsc mains25 8 august
#Target
#TargetOnlyone
#Accountability
https://t.me/anmolvachan1
β³15 days left CSM26 [ 21-08-26]
β³290 days left CSP27 [ 23-05-27]
β³379 days left CSM27 [ 20-08-27]
β³122 days left UPPSC/RAS prelims 6 December
β³39 Day left CDS/NDA 2 13 Sept
β³33 day left Mppsc mains26 7 September
β³2 days left Afcat 8 august
β³2 days left mppsc mains25 8 august
#Target
#TargetOnlyone
#Accountability
https://t.me/anmolvachan1
π1
π CURRENT AFFAIRS β 05 AUGUST 2026
π POLITY & GOVERNANCE
π Supreme Court on Live-in Relationships
β Supreme Court held that domestic cruelty provisions extend to eligible live-in relationships that are βin the nature of marriageβ
β Section 498A IPC (now Sections 85 & 86 of Bharatiya Nyaya Sanhita) applies to such relationships
β Excluding women in marriage-like live-in relationships from legal protection violates Article 14 (Right to Equality)
β Initial burden to prove a shared domestic arrangement and intent to marry lies with the female partner
π INTERNATIONAL
π 2nd BRICS Anti-Corruption Working Group (ACWG) Meeting
β Held in Hyderabad under Indiaβs BRICS Presidency 2026
β Organised by the Department of Personnel & Training (DoPT)
β Conducted alongside the 2nd BRICS Expert Network on Asset Recovery Meeting
β Theme: βBuilding for Resilience, Innovation, Cooperation and Sustainabilityβ
β Focus on creating a BRICS Repository on Informal Cooperation to trace fugitives and streamline extradition
β Emphasised standardized information-sharing for cross-border asset recovery
π ECONOMY
π Advantages of Lab-Grown Diamonds
β Produced using technology that replicates natural diamond formation
β Avoids open-pit mining, deforestation and land degradation
β Requires significantly less water than conventional diamond mining
β Can be manufactured using renewable energy, reducing emissions
β Completely conflict-free and fully traceable
β Provides safer working conditions compared to mining
π Indiaβs Distributed Solar Capacity
β Distributed solar capacity reached 31.5 GW in FY 2026
β Increased 17-fold from 1.8 GW in FY 2018
β Report released by the Institute for Energy Economics and Financial Analysis (IEEFA)
β Distributed solar contributes around 21β22% of Indiaβs renewable energy capacity
β Major growth drivers include PM Surya Ghar: Muft Bijli Yojana and PM-KUSUM
π PM Surya Ghar: Muft Bijli Yojana Updates
β Central Sector Scheme implemented by the Ministry of New and Renewable Energy (MNRE)
β Over 50 lakh households have adopted rooftop solar
β More than 19 lakh households report zero electricity bills
β Rooftop solar installed on 25,000+ Central Government and 81,000+ State Government buildings
β Installation pace increased 3.2 times over the past 9 months
β Currently records over 16,000 installations per day
π SCIENCE & TECHNOLOGY
π MA-104: Indiaβs First Indigenous ASF Vaccine for Pigs
β India launched its first MA-104 cell-line based live attenuated African Swine Fever (ASF) vaccine
β Developed by ICARβNational Institute of High Security Animal Diseases (ICAR-NIHSAD), Bhopal
β Based on an Indian ASFV Genotype II strain with targeted gene deletions
β Designed to provide strong immunity while eliminating virulence
β Recommended for healthy pigs above 8 weeks
β Booster dose administered 14 days after the primary injection
π Sunβs Upper Atmosphere Rotates Faster than Surface
β Scientists found the Sunβs upper atmosphere rotates faster than its visible surface
β Rotation slows slightly during periods of higher solar activity (more sunspots)
β Challenges predictions based on classical physics
β Study conducted by ARIES, Udaipur Solar Observatory (USO), Physical Research Laboratory (PRL) and Ahmednagar College
β Utilised data from Japanβs Nobeyama Radioheliograpy
π AWARDS & RECOGNITIONS
π COSPAR Vikram Sarabhai Medal 2026
β Awarded to Dr. Annapurni Subramaniam
β Director of the Indian Institute of Astrophysics (IIA), Bengaluru
β First Indian woman scientist and fourth Indian overall to receive the honour
β Contributed to AstroSatβs Ultra-Violet Imaging Telescope (UVIT) and stellar population research
π About COSPAR Vikram Sarabhai Medal
β Constituted in 1990
β Jointly awarded by COSPAR and ISRO
β Honours scientists from developing countries for outstanding contributions to space science
π Committee on Space Research (COSPAR)
β International interdisciplinary scientific body
β Established on 3 October 1958
β Created by the International Council of Scientific Unions (now International Science Council)
π POLITY & GOVERNANCE
π Supreme Court on Live-in Relationships
β Supreme Court held that domestic cruelty provisions extend to eligible live-in relationships that are βin the nature of marriageβ
β Section 498A IPC (now Sections 85 & 86 of Bharatiya Nyaya Sanhita) applies to such relationships
β Excluding women in marriage-like live-in relationships from legal protection violates Article 14 (Right to Equality)
β Initial burden to prove a shared domestic arrangement and intent to marry lies with the female partner
π INTERNATIONAL
π 2nd BRICS Anti-Corruption Working Group (ACWG) Meeting
β Held in Hyderabad under Indiaβs BRICS Presidency 2026
β Organised by the Department of Personnel & Training (DoPT)
β Conducted alongside the 2nd BRICS Expert Network on Asset Recovery Meeting
β Theme: βBuilding for Resilience, Innovation, Cooperation and Sustainabilityβ
β Focus on creating a BRICS Repository on Informal Cooperation to trace fugitives and streamline extradition
β Emphasised standardized information-sharing for cross-border asset recovery
π ECONOMY
π Advantages of Lab-Grown Diamonds
β Produced using technology that replicates natural diamond formation
β Avoids open-pit mining, deforestation and land degradation
β Requires significantly less water than conventional diamond mining
β Can be manufactured using renewable energy, reducing emissions
β Completely conflict-free and fully traceable
β Provides safer working conditions compared to mining
π Indiaβs Distributed Solar Capacity
β Distributed solar capacity reached 31.5 GW in FY 2026
β Increased 17-fold from 1.8 GW in FY 2018
β Report released by the Institute for Energy Economics and Financial Analysis (IEEFA)
β Distributed solar contributes around 21β22% of Indiaβs renewable energy capacity
β Major growth drivers include PM Surya Ghar: Muft Bijli Yojana and PM-KUSUM
π PM Surya Ghar: Muft Bijli Yojana Updates
β Central Sector Scheme implemented by the Ministry of New and Renewable Energy (MNRE)
β Over 50 lakh households have adopted rooftop solar
β More than 19 lakh households report zero electricity bills
β Rooftop solar installed on 25,000+ Central Government and 81,000+ State Government buildings
β Installation pace increased 3.2 times over the past 9 months
β Currently records over 16,000 installations per day
π SCIENCE & TECHNOLOGY
π MA-104: Indiaβs First Indigenous ASF Vaccine for Pigs
β India launched its first MA-104 cell-line based live attenuated African Swine Fever (ASF) vaccine
β Developed by ICARβNational Institute of High Security Animal Diseases (ICAR-NIHSAD), Bhopal
β Based on an Indian ASFV Genotype II strain with targeted gene deletions
β Designed to provide strong immunity while eliminating virulence
β Recommended for healthy pigs above 8 weeks
β Booster dose administered 14 days after the primary injection
π Sunβs Upper Atmosphere Rotates Faster than Surface
β Scientists found the Sunβs upper atmosphere rotates faster than its visible surface
β Rotation slows slightly during periods of higher solar activity (more sunspots)
β Challenges predictions based on classical physics
β Study conducted by ARIES, Udaipur Solar Observatory (USO), Physical Research Laboratory (PRL) and Ahmednagar College
β Utilised data from Japanβs Nobeyama Radioheliograpy
π AWARDS & RECOGNITIONS
π COSPAR Vikram Sarabhai Medal 2026
β Awarded to Dr. Annapurni Subramaniam
β Director of the Indian Institute of Astrophysics (IIA), Bengaluru
β First Indian woman scientist and fourth Indian overall to receive the honour
β Contributed to AstroSatβs Ultra-Violet Imaging Telescope (UVIT) and stellar population research
π About COSPAR Vikram Sarabhai Medal
β Constituted in 1990
β Jointly awarded by COSPAR and ISRO
β Honours scientists from developing countries for outstanding contributions to space science
π Committee on Space Research (COSPAR)
β International interdisciplinary scientific body
β Established on 3 October 1958
β Created by the International Council of Scientific Unions (now International Science Council)
β€1
β
Promotes international cooperation and free exchange of scientific knowledge in space research
π IMPORTANT DAYS
π National Handloom Day
β Observed annually on 7 August
β Celebrated since 2015
β Coordinated by the Ministry of Textiles
β Commemorates the launch of the Swadeshi Movement (7 August 1905) at Calcutta Town Hall
β Promotes Indiaβs rich handloom heritage and supports indigenous weavers
#CurrentAffairs
π IMPORTANT DAYS
π National Handloom Day
β Observed annually on 7 August
β Celebrated since 2015
β Coordinated by the Ministry of Textiles
β Commemorates the launch of the Swadeshi Movement (7 August 1905) at Calcutta Town Hall
β Promotes Indiaβs rich handloom heritage and supports indigenous weavers
#CurrentAffairs
β€3
UPSC MAINS 2026-27 | GS PAPER-I | SOCIETY NOTES
STOP Reading Multiple Sources! Master the Society syllabus with one compact, high-quality notes package.
π What's Inside?
β’ Complete UPSC Mains Society syllabus
β’ Crisp & examiner-oriented content in just 35 pages + 5 page current affairs
β’ Latest examples & current affairs integration
β’ Last-minute revision friendly
β’ PNG IMAGE format Telegram channel
π― Designed to Maximize Marks, Not Just Knowledge!
πΈ Price: βΉ99 Only
Contact - @Mains_Short_notes_bot
A small investment for marks that can make a big difference in your UPSC journey.
STOP Reading Multiple Sources! Master the Society syllabus with one compact, high-quality notes package.
π What's Inside?
β’ Complete UPSC Mains Society syllabus
β’ Crisp & examiner-oriented content in just 35 pages + 5 page current affairs
β’ Latest examples & current affairs integration
β’ Last-minute revision friendly
β’ PNG IMAGE format Telegram channel
π― Designed to Maximize Marks, Not Just Knowledge!
πΈ Price: βΉ99 Only
Contact - @Mains_Short_notes_bot
A small investment for marks that can make a big difference in your UPSC journey.
β€3π1
UPPSC & SPSC Prelims Accelerator Program
βFast-Track Your Selection with 4000+ High-Yield MCQs!
βProgram Highlights:
β βDaily 9 PM Bot Quiz: Practice 30+ targeted MCQs every day (Sunday OFF).
β βComprehensive Coverage: Master State PSC PYQs (UPPSC, OPSC, RAS, GPSC, CGPSC, MPSC, MPPSC, KAS, JKPSC) + Current Affairs + Statics.
β βStructured Preparation: Full syllabus schedule included to keep you on track.
β β24/7 Revision: Missed the quiz? MCQs are available anytime for seamless revision.
β βMassive Question Bank: Gain access to a total of 4000+ MCQs.
Schedule - CLICK HERE
Enroll CLICK HERE
β Short notes topic wise Click here
β Daily Quiz summary with themes wise arrangedCLICK HERE
βFast-Track Your Selection with 4000+ High-Yield MCQs!
βProgram Highlights:
β βDaily 9 PM Bot Quiz: Practice 30+ targeted MCQs every day (Sunday OFF).
β βComprehensive Coverage: Master State PSC PYQs (UPPSC, OPSC, RAS, GPSC, CGPSC, MPSC, MPPSC, KAS, JKPSC) + Current Affairs + Statics.
β βStructured Preparation: Full syllabus schedule included to keep you on track.
β β24/7 Revision: Missed the quiz? MCQs are available anytime for seamless revision.
β βMassive Question Bank: Gain access to a total of 4000+ MCQs.
βSpecial Offer Fee: Only βΉ699
β οΈ LIMITED SEATS AVAILABLE β Secure Your Spot Today!
Schedule - CLICK HERE
Enroll CLICK HERE
β Short notes topic wise Click here
β Daily Quiz summary with themes wise arrangedCLICK HERE
β€1
STATE PSC PRELIMS ACCELERATOR PROGRAM .pdf
6.6 MB
You do not need to worry about missing the last four weeks of quizzes. All previous bot quizzes will be available for you to reattempt from August 24 onwards during the revision quiz period.
β€1
π AI Palletising
π Why in News?
β According to Future Market Insights (FMI), the global AI palletising and depalletising market is projected to grow from $1.8 billion in 2026 to $9 billion by 2036, at a CAGR of 17.5%
π About AI Palletising
π What is it?
β AI palletising is an advanced industrial automation technology that uses robotic arms, computer vision, machine learning, and Artificial Intelligence (AI) to automatically stack (palletise) and unload (depalletise) goods from pallets
β Unlike conventional robots, AI systems can handle mixed-sized boxes, irregular packaging, and damaged cartons without manual reprogramming
π How Does it Work?
π 3D Computer Vision
β High-resolution cameras scan packages to identify their size, shape, orientation, and condition in real time
π AI & Machine Learning
β AI algorithms calculate the best gripping points and optimise safe, stable stacking patterns
π Adaptive Robotic Execution
β Multi-axis robotic arms lift, move, stack, or unstack packages while continuously adjusting speed and grip using sensor feedback
π Key Features
β Handles mixed SKUs with different sizes, shapes, and weights
β Performs real-time quality inspection to detect damaged packages
β Adapts automatically to packaging changes without manual reprogramming
β Continuously improves performance through machine learning
π Applications
β E-commerce and third-party logistics (3PL) warehouses
β Food and Beverage packaging operations
β Fast-Moving Consumer Goods (FMCG) distribution
β Pharmaceutical and chemical industries for handling sensitive products
π Advantages
β Improves operational efficiency and productivity
β Enhances stacking accuracy and pallet stability
β Reduces manual labour and workplace injuries
β Minimises product damage and operational errors
β Supports high-volume, continuous industrial operations
π Challenges
β Difficult integration with legacy warehouse systems
β High initial investment in robotics and AI infrastructure
β Performance depends on seamless recovery from operational errors
β Requires skilled workforce for deployment and maintenance
#GS3
#prelims
#science_technology
#science_and_technology
Join https://t.me/PIB_UPSC
https://t.me/upsc_science_and_technology
π Why in News?
β According to Future Market Insights (FMI), the global AI palletising and depalletising market is projected to grow from $1.8 billion in 2026 to $9 billion by 2036, at a CAGR of 17.5%
π About AI Palletising
π What is it?
β AI palletising is an advanced industrial automation technology that uses robotic arms, computer vision, machine learning, and Artificial Intelligence (AI) to automatically stack (palletise) and unload (depalletise) goods from pallets
β Unlike conventional robots, AI systems can handle mixed-sized boxes, irregular packaging, and damaged cartons without manual reprogramming
π How Does it Work?
π 3D Computer Vision
β High-resolution cameras scan packages to identify their size, shape, orientation, and condition in real time
π AI & Machine Learning
β AI algorithms calculate the best gripping points and optimise safe, stable stacking patterns
π Adaptive Robotic Execution
β Multi-axis robotic arms lift, move, stack, or unstack packages while continuously adjusting speed and grip using sensor feedback
π Key Features
β Handles mixed SKUs with different sizes, shapes, and weights
β Performs real-time quality inspection to detect damaged packages
β Adapts automatically to packaging changes without manual reprogramming
β Continuously improves performance through machine learning
π Applications
β E-commerce and third-party logistics (3PL) warehouses
β Food and Beverage packaging operations
β Fast-Moving Consumer Goods (FMCG) distribution
β Pharmaceutical and chemical industries for handling sensitive products
π Advantages
β Improves operational efficiency and productivity
β Enhances stacking accuracy and pallet stability
β Reduces manual labour and workplace injuries
β Minimises product damage and operational errors
β Supports high-volume, continuous industrial operations
π Challenges
β Difficult integration with legacy warehouse systems
β High initial investment in robotics and AI infrastructure
β Performance depends on seamless recovery from operational errors
β Requires skilled workforce for deployment and maintenance
#GS3
#prelims
#science_technology
#science_and_technology
Join https://t.me/PIB_UPSC
https://t.me/upsc_science_and_technology
β€4π1
β€1π1