| 1 | TPQA service for construction of DG, GSI office at Salt Lake, Kolkata | Prof. Showmen Saha | Prof. Tapas Kumar Saha, Dr. Diptesh Das | M/s CPWD | 4235155 | Completed | 2021-09-27 | |
| 2 | Mix design of concrete for the work of construction of B type Kendriya Vidyalaya (KV) GC CRPF Campus Durgapur, West Bengal | Dr. Diptesh Das | Dr. A.K. Samanta | M/s Chatterjee Enterprise | 270456 | Completed | 2025-05-16 | |
| 3 | Mix design of concrete for the work of construction of A1 type Kendriya Vidyalaya (KV) phase 1 Bolpur, Birbhum | Dr. Diptesh Das | Prof. A.K. Samanta | M/s Paul Builders Pvt. Ltd. | 61478 | Ongoing | 2025-02-04 | |
| 4 | TPQA service for construction of G+5 building for SE lab, GT lab, TE lab, and classroom under Civil Engg. department at IIEST campus, Shibpur, Howrah | Dr. A.K. Samanta | Dr. Diptesh Das & Dr. Supriya Pal | M/s CPWD | 1040760 | Completed | 2025-02-04 | |
| 5 | Consultancy/proof-checking/vetting/approval of 'design (civil & structural/ arching work) of two RCC tunnels/ inclines' at Shyamsundarpur, West Bengal | Dr. Diptesh Das | Prof. A.K. Samanta, Dr. Supriya Pal | M/s Vensar Constructions co. ltd. | 531000 | Completed | 2024-09-13 | |
| 6 | Geotechnical Investigation for Ortho-cum-Trauma Centre at Durgapur (City Centre) | Dr. D.S. Roy | Dr. Diptesh Das; Dr. A.K. Samanta | Dr. Dipankar Sen | 131000 | Completed | 2016-10-17 | |
| 7 | Consultancy service for approval of launching scheme of 36.0m and 24.0m welded type composite girders of ROB of West Central Railway, Orissa (Bridge Nos. 423A and 439A); 2016 | Dr. Diptesh Das | Dr. A. K. Samanta | M/s Rahee Infratech Ltd. | 115000 | Completed | 2016-11-29 | |
| 8 | Consultancy service for approval of erection scheme of two steel girder bridges over river Yamuna and over an Irrigational Canal at Parichha; 2017 | Dr. Diptesh Das | Dr. A.K. Samanta | M/s GPT Infraprojects Ltd. | 218500 | Completed | 2017-03-23 | |
| 9 | Consultancy service for approval of launching scheme for 30.5m railway bridge of East Coast Railway, Orissa (Bridge No. 438); 2017 | Dr. Diptesh Das | Dr. A.K. Samanta | M/s Rahee Infratech Ltd. | 118000 | Completed | 2017-10-27 | |
| 10 | Consultancy service for approval of erection scheme of steel girder bridge over river Yamuna; 2017 | Dr. Diptesh Das | Dr. A.K. Samanta | M/s GPT Infraprojects Ltd. | 59000 | Completed | 2017-10-21 | |