Government and Administration:
- President of India: POTI
- Prime Minister of India: PM
- Parliament of India: POI
- Lok Sabha: Lower House of Parliament
- Rajya Sabha: Upper House of Parliament
- State Legislative Assembly: MLA
- State Legislative Council: MLC
- Minister of State (MoS): Junior minister in a government department
- Government of India (GoI): Abbreviation used for central government departments and agencies
- Central Board of Secondary Education (CBSE): Responsible for standardized school examinations
- Indian Administrative Service (IAS): All-India civil service for executive positions
- Indian Police Service (IPS): All-India civil service for police leadership
- Indian Army: IA
- Indian Navy: IN
- Indian Air Force: IAF
Economy and Finance:
- Reserve Bank of India (RBI): Central bank of India
- Securities and Exchange Board of India (SEBI): Regulates the stock market
- Goods and Services Tax (GST): Unified tax system
- Foreign Direct Investment (FDI): Investments from foreign companies in India
- Nifty 50: Index of the top 50 companies listed on the National Stock Exchange of India
- Sensex: Benchmark index of the Bombay Stock Exchange
Infrastructure and Public Utilities:
- Indian Railways: Largest railway network in Asia
- Bharat Sanchar Nigam Limited (BSNL): State-owned telecommunications company
- Power Grid Corporation of India Limited (PowerGrid): State-owned electricity transmission company
- Petroleum and Natural Gas Regulatory Board (PNGRB): Regulates the oil and gas sector
- Airports Authority of India (AAI): Operates and manages civil airports in India
Education and Science:
- Indian Institute of Technology (IIT): Prestigious group of engineering colleges
- Indian Institute of Management (IIM): Renowned business schools
- University Grants Commission (UGC): Funding agency for universities
- Indian Council of Medical Research (ICMR): Premier medical research institute
- Council of Scientific and Industrial Research (CSIR): Promotes scientific and industrial research
Culture and Sports:
- Board of Control for Cricket in India (BCCI): Governing body for cricket in India
- Indian Premier League (IPL): Twenty20 cricket tournament
- Film Federation of India (FFI): Apex body of the Indian film industry
- Sahitya Akademi: National academy of letters
- Lalit Kala Akademi: National academy of fine arts
Other Important Abbreviations:
- RTI: Right to Information Act, granting citizens access to information
- PAN: Permanent Account Number, unique identifier for tax purposes
- Aadhaar: Unique identification number for Indian citizens
- ATM: Automated Teller Machine
- NGO: Non-Governmental Organization
- BPO: Business Process Outsourcing