| 1 | F.No.23(988)/CAP/TPT/PCD/09/8040 | Delhi | 23-Feb-2026 | Mandatory prior Approval for change of location of Pollution Checking Centre (PCC) | Download |
| 2 | 23(1490)/CAP/TPT/PCD/2018/3245 | Delhi | 21-Jan-2026 | Compliance with uploading of Video Clips during Vehicle Emission Testing on PUCC Software Version 2.0. | Download |
| 3 | F.No.23 (1784)/CAP/TPT/PCD/2025/409/13364 | Delhi | 21-Mar-2025 | Directions for "No PUC Certificate" to vehicles without third registration Mark in compliance to Hon'ble Supreme Court Order dated 27-01-2025 in W.P.(C)13029/1985. | Download |
| 4 | 23/1157/CAP/TPT/PCD/2011/634-639/46614 | Delhi | 20-Aug-2024 | Order dated 20-08-2024 of Rate Revision for Pollution Checking Certificate of Petrol/CNG/LPG(INCLUDING BI-FUEL) Propelled 2 -3-4 Wheelers and above and Diesel propelled Vehicles. | Download |
| 5 | F.No.23(1490)/CAP/TPT/PCD/2018/1079/106115 | Delhi | 22-Nov-2023 | Introduction of PUCC software version 2.0 of NIC | Download |
| 6 | 23(988)/PCD/TPT/09/45/3490 | Delhi | 11-Jan-2023 | CIRCULAR | Download |
| 7 | 23(988)/PCD/TPT/09/94520 | Delhi | 14-Oct-2022 | Extended hours operation of Pollution Checking Centres- regarding | Download |
| 8 | 143(1490)/CAP/TPT/PCD/2018-CD No 075508684 | Delhi | 15-Jul-2022 | Regarding Continuation Of Practice Of Affixing Of Holograms on PUCC Certificate With Immediate Effect | Download |
| 9 | 23(1490)/CAP/TPT/PCD/2018/117132 | Delhi | 15-Dec-2021 | Instructions to operators for holograms, name and address seal etc. vide order dated 15/12/2021 | Download |
| 10 | N.A. | Delhi | 13-Dec-2021 | Application format for PUC center for Diesel in Delhi | Download |