🔤 Chapter 09 · Topic 01 · Abbreviations & Firsts

Common Abbreviations

Government, science, technology, finance, and defence abbreviations — full forms for UPSC & PSC exams.

🏛️ Government & Constitutional Abbreviations

Abbreviation	Full Form
NITI Aayog	National Institution for Transforming India
CAG	Comptroller and Auditor General
CVC	Central Vigilance Commission
CBI	Central Bureau of Investigation
CIC	Central Information Commission
NHRC	National Human Rights Commission
NCW	National Commission for Women
NCSC	National Commission for Scheduled Castes
NCST	National Commission for Scheduled Tribes
NCBC	National Commission for Backward Classes
RTI	Right to Information
PIL	Public Interest Litigation
IAS	Indian Administrative Service
IPS	Indian Police Service
IFS	Indian Foreign Service

🔬 Science & Technology Abbreviations

Abbreviation	Full Form
ISRO	Indian Space Research Organisation
DRDO	Defence Research and Development Organisation
BARC	Bhabha Atomic Research Centre
CSIR	Council of Scientific and Industrial Research
ICAR	Indian Council of Agricultural Research
ICMR	Indian Council of Medical Research
DAE	Department of Atomic Energy
DST	Department of Science and Technology
AI	Artificial Intelligence
ML	Machine Learning
IoT	Internet of Things
5G	Fifth Generation (mobile network)
GPS	Global Positioning System
NAVIC	Navigation with Indian Constellation
PSLV	Polar Satellite Launch Vehicle
GSLV	Geosynchronous Satellite Launch Vehicle

💰 Finance & Economy Abbreviations

Abbreviation	Full Form
GST	Goods and Services Tax
GDP	Gross Domestic Product
GNP	Gross National Product
NNP	Net National Product
CPI	Consumer Price Index
WPI	Wholesale Price Index
FDI	Foreign Direct Investment
FPI	Foreign Portfolio Investment
SEBI	Securities and Exchange Board of India
NABARD	National Bank for Agriculture and Rural Development
SIDBI	Small Industries Development Bank of India
EXIM Bank	Export-Import Bank of India
UPI	Unified Payments Interface
MSME	Micro, Small and Medium Enterprises
PLI	Production Linked Incentive

🛡️ Defence & Security Abbreviations

Abbreviation	Full Form
IAF	Indian Air Force
IN	Indian Navy
IA	Indian Army
NSG	National Security Guard
RAW	Research and Analysis Wing
IB	Intelligence Bureau
BSF	Border Security Force
CRPF	Central Reserve Police Force
CISF	Central Industrial Security Force
ITBP	Indo-Tibetan Border Police
SSB	Sashastra Seema Bal
NCC	National Cadet Corps
NSA	National Security Advisor
CDS	Chief of Defence Staff
AFSPA	Armed Forces Special Powers Act

📋 Social Schemes Abbreviations

Abbreviation	Full Form
MGNREGA	Mahatma Gandhi National Rural Employment Guarantee Act
PMJDY	Pradhan Mantri Jan Dhan Yojana
PMAY	Pradhan Mantri Awas Yojana
PMGSY	Pradhan Mantri Gram Sadak Yojana
AMRUT	Atal Mission for Rejuvenation and Urban Transformation
FAME	Faster Adoption and Manufacturing of Electric Vehicles
PM-KISAN	Pradhan Mantri Kisan Samman Nidhi
POSHAN	Prime Minister’s Overarching Scheme for Holistic Nutrition
AYUSH	Ayurveda, Yoga, Unani, Siddha, Homeopathy
RERA	Real Estate Regulatory Authority

✅ Revision Checklist

✅ NITI Aayog = National Institution for Transforming India
✅ ISRO = Indian Space Research Organisation
✅ DRDO = Defence Research and Development Organisation
✅ BARC = Bhabha Atomic Research Centre
✅ GST = Goods and Services Tax = implemented 1 July 2017
✅ SEBI = Securities and Exchange Board of India
✅ NABARD = National Bank for Agriculture and Rural Development
✅ UPI = Unified Payments Interface
✅ MGNREGA = Mahatma Gandhi National Rural Employment Guarantee Act
✅ NAVIC = Navigation with Indian Constellation
✅ PSLV = Polar Satellite Launch Vehicle
✅ RAW = Research and Analysis Wing
✅ CDS = Chief of Defence Staff
✅ AFSPA = Armed Forces Special Powers Act