| Noise Limits for Motor Vehicles in India (As Applicable from 1st January, 2003) | |
| Type of Vehicle | Noise Limits from 1st January, 2003, dBA |
| Two Wheeler | |
| Displacement upto 80 cm3 | |
| Displacement more than 80 cm3 but upto 175 cm3 | |
| Displacement more than 175 cm3 | |
| Three Wheeler | |
| Displacement upto 175 cm3 | |
| Displacement more than 175 cm3 | |
| Passenger Car | |
| Passenger or commercial Vehicle | |
| Gross vehicle weight upto 4 tonne | |
| Gross vehicle weight more than 4 tonne but upto 12 tonne | |
| Gross vehicle weight more than 12 tonne | |
