Depth in Punjab (m bgl) (1)
| <25 (Shallow) |
| 25-50 (Intermediate) |
| 50-80 (Deep) |
| >80 (Very Deep) |
Depth in Haryana (m bgl) (2)
| <25 (Shallow) |
| 25-45 (Intermediate) |
| 45-90 (Deep) |
| >90 (Very Deep) |
Depth in Madhya Pradesh(m bgl) (3)
| <30 (Shallow) |
| 30-60 (Intermediate) |
| 60-90 (Deep) |
| >90 (Very Deep) |
Depth in West bengal (m bgl) (4)
| <50 (Shallow) |
| 50-90 (Intermediate) |
| 90-150 (Deep) |
| >150 (Very Deep) |
Depth in Kerala (m bgl) (5)
| <30 (Shallow) |
| 30-50 (Intermediate) |
| 50-90 (Deep) |
| >90 (Very Deep) |
Depth in Tamilnadu (m bgl) (6)
| <40 (Shallow) |
| 40-80 (Intermediate) |
| 80-150 (Deep) |
| >150 (Very Deep) |
|