| QIB | Qualified Institutional Buyer |
| QIP | Qualified Institutional Placement |
| RAF | Rapid Action Force |
| RBI | Reserve Bank of India |
| RCC | Reinforced Concrete Cement |
| RDSS | Radio Determination Satellite Service |
| RTGS | Real Time Gross Settlement System |
| RTE | Right to Education |
| RTI | Right to Information |
| SAARC | South Asian Association for Regional Cooperation |
| SAFTA | South Asian Free Trade Area |
| SAIL | Steel Authority of India Limited |
| SAPTA | SAARC Preferential Trading Agreement |
| SATNAV | SATellite NAVigation |
| SALT | Strategic Arms Limitation Talks |
| SAVE | SAARC Audio Visual Exchange |
| SCO | Shanghai Cooperation Organisation |
| SEBI | Securities and Exchange Board of India |
| SIDBI | Small Industries Development Bank of India |
| SPIN | Software Process Improvement Networks |
| STARS | Satellite Tracking and Ranging Station |
| START | Strategic Arms Reduction Treaty |
| SWIFT | Society for Worldwide Financial Telecommunications |
| TADA | Terrorist and Disruptive Activities (Prevention) Act |
| TAPS | Tarapur Atomic Power Station |
| TIN | Tax Identification Number |
| TRAI | Telecom Regulatory Authority of India |
| TRIPS | Trade Related Intellectual Property Rights |
| TVOA | Tourist Visa on Arival |