| Sl No. | Firm Name | Class | Applied for | Final Cert No | Issue Dt | Valid From | Valid Upto |
|---|---|---|---|---|---|---|---|
| 1 | B.Mukherjee | Class III | Not Available | 103 | 2017-03-27 | 2017-03-27 | 2019-03-26 |
| 2 | B.Mukherjee | Class III | Not Available | 40 | 2015-01-19 | 2015-01-19 | 2017-01-18 |
| 3 | B.Mukherjee | Class III | Recognition | WB/REPAIR-FINAL/2019/257 | 2019-12-23 | 2019-12-23 | 2021-12-22 |
| 4 | B.Mukherjee | Class III | Recognition | WB/REPAIR-FINAL/2024/144 | 2024-08-01 | 2024-08-01 | 2026-07-31 |
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