| Sl No. | Firm Name | Class | Applied for | Final Cert No | Issue Dt | Valid From | Valid Upto |
|---|---|---|---|---|---|---|---|
| 1 | N.S.Construction | Class I | Not Available | 75 | 2016-09-06 | 2016-09-06 | 2018-09-05 |
| 2 | N.S.Construction | Special Class | Recognition | WB/REPAIR-FINAL/2019/34 | 2019-04-25 | 2019-04-25 | 2021-04-24 |
| 3 | N.S.Construction | Class I | Recognition | WB/REPAIR-FINAL/2025/80 | 2025-03-24 | 2025-03-24 | 2027-03-23 |
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