| R & D |
Research and Development |
| R&D |
Research and Development |
| RADAR |
Radio Detecting and Ranging |
| RAM |
Random Access Memory |
| RAW |
Research & Analysis Wing |
| RBI |
Reserve Bank of India |
| RCC |
Reinforced Cement Concrete |
| RDX |
Research Department Explosive (Cyclotrim-ethylin Trinitrate) |
| RIMC |
Rashtriya Indian Military College |
| RISC |
Reduced instruction-set computing |
| RLEGP |
Rural Landless Employment Guarantee Programme |
| RMS |
Railway Mail Service |
| RNA |
Ribonucleic acid |
| ROM |
Read Only Memory |
| RPM |
Revolutions Per Minute |
| RSS |
Rashtriya Swayamsevak Sangh |
| RTI |
Right to Information |
| RTO |
Regional Transport Officer |
