| SN | Place | Depth (Feet) | Radon (Bqll−1) |
| 1 | Mathikere | 650 | 55.00 |
| 2 | Mathikere | 600 | 88.40 |
| 3 | MSR Nagar | 750 | 59.70 |
| 4 | MSR Nagar | 850 | 35.00 |
| 5 | Dollars Colony | 550 | 87.00 |
| 6 | Dollars Colony | 350 | 20.30 |
| 7 | Dollars Colony | 400 | 50.10 |
| 8 | RMC Yard | 550 | 16.80 |
| 9 | Krishnananda Nagar | 500 | 14.30 |
| 10 | Lakshmidevi Nagara | 400 | 5.28 |
| 11 | Sunkadda Katte (1) | 500 | 7.53 |
| 12 | Sunkadda katte (2) | 200 | 25.60 |
| 13 | Sunkadda Katte (3) | 120 | 43.50 |
| Mean ± SE | 493.85 ± 56.6 | 39.12 ± 7.7 |