| Sl No. | Firm Name | Class | Applied for | Final Cert No | Issue Dt | Valid From | Valid Upto |
|---|---|---|---|---|---|---|---|
| 1 | RAMKRISHNA ENGINEERING WORKS | Class II | Renewal | WB/REPAIR-FINAL/2018/17 | 2018-07-04 | 2018-07-04 | 2020-07-02 |
| 2 | RAMKRISHNA ENGINEERING WORKS | Class II | Not Available | 8 | 2014-07-08 | 2014-07-08 | 2016-07-07 |
| 3 | RAMKRISHNA ENGINEERING WORKS | Class II | Not Available | 65 | 2016-06-27 | 2016-07-08 | 2018-07-07 |
| 4 | RAMKRISHNA ENGINEERING WORKS | Class II | Recognition | WB/REPAIR-FINAL/2020/98 | 2020-07-15 | 2020-07-15 | 2022-07-14 |
| 5 | RAMKRISHNA ENGINEERING WORKS | Class II | Renewal | WB/REPAIR-FINAL/2022/223 | 2022-07-10 | 2022-07-10 | 2024-07-09 |
| 6 | RAMKRISHNA ENGINEERING WORKS | Class II | Renewal | WB/REPAIR-FINAL/2024/189 | 2024-07-15 | 2024-07-15 | 2026-07-14 |
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