NHIDCL seeks consultancy for road upgrade on NH-510 in Sikkim
NHIDCL is inviting proposals for consultancy services to act as the Authority’s Engineer for supervising the construction and upgradation of NH-510 between Rabangla and Gyalshing in Sikkim.
The document states that proposals are invited from 'eligible Consultants' but does not specify the detailed eligibility criteria, minimum turnover, years of experience, or required certifications in this text.
- Tender Type: National Competitive Bidding
- Bid Due Date: 13.10.2025 at 1500 Hrs
- Bid Validity: 120 days from bid due date
- Consultancy Duration: 18 Months
- Civil Cost Reference: Rs. 424.53 Cr. (excluding GST)
Written from the document by AI, and checked against it. The original below is authoritative.
The original document
Notice
2025-08-28
Notice
2025-08-28
Corrigendum 1
2025-08-28
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Corrigendum 2
2025-08-28
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Document details
| Official title | CONSULTANCY SERVICES FOR AUTHORITY’S ENGINEER FOR SUPERVISION OF CONSTRUCTION AND UPGRADATION OF EXISTING ROAD ON NH-510 BETTWEEN RABANGLA TO GYALSHING TO 2-LANE WITH PAVED SHOULDER CONFIGURATION IN THE STATE OF SIKKIM UNDER SARDP-NE PHASE ‘A’ ON EPC MODE: (1) KM 32.500 TO KM 33.600 (PACKAGE-III) (2) KM 33.600 TO KM 58.840 (PACKAGE-IV) (3) KM 58.840 TO KM 75.00 (PACKAGE-V) (4) KM 75.000 TO KM 90.210 (PACKAGE-VI) |
| Source body | National Highways & Infrastructure Development Corporation (NHIDCL) |
| Reference number | — |
| Status | closed (archive) |
| Year | 2025 |
| Closing date | 13-10-2025 |
| Documents | 5 · changed 2× after publishing |
Observations & questions a citizen might ask
Factual observations drawn mechanically from the documents — not findings or allegations. Verify each against the original.
- The department changed this document 2 times after first publishing it.
- What prompted each amendment, and was the closing date extended to give bidders time to respond?
- Do the eligibility and scope requirements match the stated purpose and estimated value?
- Were all amendments published on the portal before the deadline?