Delhi Transport Corporation 
12 Nos. CNG Leakage Checking Centres
As per MVI Act, every DTC bus has to go for CNG Leakage Checking every three months.
Charges:
- DTC buses/ Private Retrofitted Buses/ GraminSewa: Rs.300/- per vehicle.
- Charges for Failed DTC buses/ Private Retrofitted Buses/ GraminSewa, if re-produced within three days: Rs.250/- per vehicle.
CNG Leakage Checking Centers are commissioned in DTC premises at following 12 locations:
| S.No. | Center Code |
|---|---|
| 1. | East Vinod Nagar Depot |
| 2. | Kanjhawala Depot |
| 3. | Rajghat Depot-1 |
| 4. | Rohini Depot. 2 |
| 5. | Hari Nagar Depot-1 |
| 6. | NandNagri Depot |
| 7. | Wazir pur Depot |
| 8. | Mayapuri Depot |
| 9. | Mangolpuri Terminal |
| 10. | Nazafgarh Terminal |
| 11. | Hauz khas Terminal |
| 12. | Nehru place Terminal |