Study the table given below to answer these questions.
NHPC has undertaken massive afforestation, which is an effective tool in arresting sail erosion and enrichment of environment. The details are as under
SI. No. | Name of the project | Forest Area Involved (in ha) | Area afforested (in ha) | No. of trees affected | No. of trees planed |
| 1. | Chanera-I (HP) | 982.50 | 2000 | 40,000 | 39,81,186 |
| 2. | Dulhasti (J&K) | 1.1 | 18 | 700 | 7,85,673 |
| 3. | Rangit (Sikkim) | 34.60 | 38 | 5,000 | 3,32,000 |
| 4. | Tanakpur (Uttaranchal) | 293.35 | 350 | 17,368 | 6,66,165 |
| 5. | Uri (J&K) | 54.71 | 62.70 | 4,000 | 3,21,000 |
| 6. | Dhauliganga-I (Uttaranchal) | 138.60 | 140.73 | 1,517 | 2,87,887 |
| 7. | Chamera-II (H.P) | 78.78 | 172.58 | 1,380 | 2,30,000 |
| | | | Total | 69,965 | 66,03,911 |