General Abbreviations:
- ATM – Automated Teller Machine
 - PIN – Personal Identification Number
 - SIM – Subscriber Identity Module
 - SMS – Short Message Service
 - GPS – Global Positioning System
 - Wi-Fi – Wireless Fidelity
 - USB – Universal Serial Bus
 - PDF – Portable Document Format
 - FAQ – Frequently Asked Questions
 - URL – Uniform Resource Locator
 
Technology and Computing:
- CPU – Central Processing Unit
 - RAM – Random Access Memory
 - ROM – Read-Only Memory
 - HTML – HyperText Markup Language
 - HTTP – HyperText Transfer Protocol
 - IP – Internet Protocol
 - DNS – Domain Name System
 - OS – Operating System
 - AI – Artificial Intelligence
 - IoT – Internet of Things
 
Organizations and Institutions:
- UN – United Nations
 - UNICEF – United Nations International Children’s Emergency Fund
 - WHO – World Health Organization
 - NATO – North Atlantic Treaty Organization
 - WTO – World Trade Organization
 - IMF – International Monetary Fund
 - NASA – National Aeronautics and Space Administration
 - FBI – Federal Bureau of Investigation
 - ISRO – Indian Space Research Organisation
 - ASEAN – Association of Southeast Asian Nations
 
Government and Military:
- GDP – Gross Domestic Product
 - GST – Goods and Services Tax
 - PM – Prime Minister
 - MLA – Member of Legislative Assembly
 - MP – Member of Parliament
 - CBI – Central Bureau of Investigation
 - DRDO – Defence Research and Development Organisation
 - RAW – Research and Analysis Wing
 - NDA – National Defence Academy
 - IAS – Indian Administrative Service
 
Medical Abbreviations:
- AIDS – Acquired Immunodeficiency Syndrome
 - HIV – Human Immunodeficiency Virus
 - COVID-19 – Coronavirus Disease 2019
 - ICU – Intensive Care Unit
 - MRI – Magnetic Resonance Imaging
 - CT Scan – Computed Tomography Scan
 - B.P. – Blood Pressure
 - DNA – Deoxyribonucleic Acid
 - ENT – Ear, Nose, and Throat
 - RBC – Red Blood Cells
 
Banking and Finance:
- IFSC – Indian Financial System Code
 - NEFT – National Electronic Funds Transfer
 - RTGS – Real-Time Gross Settlement
 - SWIFT – Society for Worldwide Interbank Financial Telecommunication
 - FDI – Foreign Direct Investment
 - FII – Foreign Institutional Investor
 - PAN – Permanent Account Number
 - CAGR – Compound Annual Growth Rate
 - SEBI – Securities and Exchange Board of India
 - KYC – Know Your Customer
 
Science and Engineering:
- ISRO – Indian Space Research Organisation
 - NASA – National Aeronautics and Space Administration
 - CERN – European Organization for Nuclear Research
 - DNA – Deoxyribonucleic Acid
 - RNA – Ribonucleic Acid
 - LASER – Light Amplification by Stimulated Emission of Radiation
 - RADAR – Radio Detection and Ranging
 - LPG – Liquefied Petroleum Gas
 - NATO – North Atlantic Treaty Organization
 - PVC – Polyvinyl Chloride
 
Economic and Business Abbreviations:
- GDP – Gross Domestic Product
 - GNP – Gross National Product
 - FDI – Foreign Direct Investment
 - B2B – Business to Business
 - B2C – Business to Consumer
 - CAGR – Compound Annual Growth Rate
 - NPA – Non-Performing Assets
 - IPO – Initial Public Offering
 - FMCG – Fast Moving Consumer Goods
 - CSR – Corporate Social Responsibility
 
Education and Degrees:
- B.A. – Bachelor of Arts
 - B.Sc. – Bachelor of Science
 - M.A. – Master of Arts
 - PhD – Doctor of Philosophy
 - MBBS – Bachelor of Medicine and Bachelor of Surgery
 - MBA – Master of Business Administration
 - MCA – Master of Computer Applications
 - CBSE – Central Board of Secondary Education
 - UGC – University Grants Commission
 - AICTE – All India Council for Technical Education
 
Miscellaneous Abbreviations:
- OMG – Oh My God
 - DIY – Do It Yourself
 - LOL – Laugh Out Loud
 - ASAP – As Soon As Possible
 - BTW – By The Way
 - CEO – Chief Executive Officer
 - CFO – Chief Financial Officer
 - R&D – Research and Development
 - FYI – For Your Information
 - ETA – Estimated Time of Arrival
 
