| S No | Group Number | Scope of work | Date of creation | Time Frame | No of Members |
|---|---|---|---|---|---|
| 1. | PGD 21 : P1 | Hydraulic Braking System | 20-11-2024 | 20-11-2025 | 3 |
| 2. | PGD 21 : P3 | Pneumatic Braking System | 20-11-2024 | 20-11-2025 | 8 |
| 3. | PGD 21 : P4 | To review/formulate standards related to Wind Measurement. | 16-01-2025 | 16-01-2025 | 0 |
| 4. | PGD 21 : P5 | To review/formulate standards related to Temperature and radiation. | 16-01-2025 | 16-01-2025 | 0 |
| 5. | PGD 21 : P6 | To review/formulate standards related to Precipitation gauges. | 16-01-2025 | 16-01-2025 | 0 |