Overview
It is classified as Roads & Highways work, New construction in nature, procured as a Works contract: The tender, issued by THDC India Limited, invited open tender bids for the work “Package II Construction of Coffer Dam US and DS Stage I Road Tunnel and Civil and HM works of Diversion Tunnel for Kalai II HEP 1200 MW AP” at Papum Pare, Arunachal Pradesh. It carries an estimated value of approximately ₹500 Cr (derived from the EMD, as the department did not publish it). Bids opened on 27 December 2025 and close on 28 May 2026; technical bids open on 29 May 2026. The earnest money deposit (EMD) is ₹10 Cr, with a tender fee of ₹50,000. The tender reference is 2025_THDC_891534_1.
Tender documents
Documents are mirrored from the NIC eProcure portal for reference. Live bidding and authoritative documents remain on the official portal.
Complete tender details
Classification (auto-derived, cited)
Sector
Roads & Highways · matched “Road”
Work nature
New construction · matched “Construction of”
Funding scheme
— none detected —
Procurement type
Works
Tender value
≈ ₹500 Cr (derived from EMD)
Identification
Tender ID
2025_THDC_891534_1
Tender Reference Number
THDCIL/NCR/CC-538
Title
Package II Construction of Coffer Dam US and DS Stage I Road Tunnel and Civil and HM works of Diversion Tunnel for Kalai II HEP 1200 MW AP
Organisation Chain
THDC India Limited||Corporate Office-Rishikesh-THDC India Ltd||Corporate Contracts-Rishikesh-THDC India Ltd
Commercials
EMD Amount in ₹
10,00,00,000
EMD Exemption Allowed
No
EMD Fee Type
fixed
EMD Payable To
THDC India Limited
EMD Payable At
Rishikesh
Tender Fee in ₹
50,000
Tender Fee Exemption Allowed
No
Fee Payable To
THDC India Limited
Fee Payable At
Rishikesh
Form Of Contract
Works
Contract Type
Tender
Payment Mode
Offline
Process & eligibility
Tender Type
Open Tender
Tender Category
Works
No. of Covers
2
Bid Validity(Days)
180
Period Of Work(Days)
945
Allow Two Stage Bidding
No
Withdrawal Allowed
Yes
General Technical Evaluation Allowed
No
ItemWise Technical Evaluation Allowed
No
Should Allow NDA Tender
No
Allow Preferential Bidder
Yes
NDA/Pre Qualification
As per Tender Documents
Independent External Monitor/Remarks
As per Tender Document
Timeline
Published Date
27-Dec-2025 06:00 PM
Document Download / Sale Start Date
27-Dec-2025 06:00 PM
Document Download / Sale End Date
28-May-2026 03:00 PM
Clarification Start Date
27-Dec-2025 06:00 PM
Clarification End Date
12-Jan-2026 11:00 AM
Bid Submission Start Date
27-Dec-2025 06:00 PM
Bid Submission End Date
28-May-2026 03:00 PM
Bid Opening Date
29-May-2026 03:00 PM
Location & meeting
Location
Hawai AP
Pincode
792104
Bid Opening Place
THDCIL NCR office Kaushambi
Pre Bid Meeting Place
THDCIL Corporate office Rishikesh
Pre Bid Meeting Address
THDCIL Corporate office Rishikesh
Pre Bid Meeting Date
12-Jan-2026 11:00 AM
Inviting authority
Name
GM Contract NCR office Kaushambi
Address
THDCIL NCR office Kaushambi
Other captured fields
Work Description
Package II Construction of Coffer Dam US and DS Stage I Road Tunnel and Civil and HM works of Diversion Tunnel for Kalai II HEP 1200 MW AP
Product Category
Construction Works
Sub category
As per NIT
NIT Document
S.No Document Name Description Document Size (in KB) 1 Tendernotice_1.pdf NIT 995.94
Work Item Documents
S.No Document Type Document Name Description Document Size (in KB) 1 Tender Documents Tender_Document_Section_0_to_4.pdf Tender Documents Section 0 to 4 38679.33 2 Tender Documents Tender_Document_Section_6_TS.pdf Tender Documents Section 6 14056.29 3 Tender Documents Tender_Document_Section_7_TD.pdf Tender Documents Section 7 17736.41 4 Tender Documents Tender_Document_Section_8_DS.pdf Tender Documents Section 8 1047.17 5 BOQ BOQ_937092.xls Price Schedule Grand Summary BOQ 361.50 6 Additional Documents Section_5_Schedule1to3.rar Section 5 Price Schedules 47.35
Frequently asked questions
What is this tender for?
THDC India Limited has floated this tender for “Package II Construction of Coffer Dam US and DS Stage I Road Tunnel and Civil and HM works of Diversion Tunnel for Kalai II HEP 1200 MW AP”. It is Roads & Highways work, New construction in nature.
What is the estimated value of this tender?
The value was not disclosed; based on the EMD it works out to approximately ₹500 Cr.
When is the last date to submit bids?
Bids close on 28 May 2026. The tender was published on 27 December 2025.
Which department issued this tender and where is the work?
It was issued by THDC India Limited » Corporate Office-Rishikesh-THDC India Ltd » Corporate Contracts-Rishikesh-THDC India Ltd. The work location is Papum Pare, Arunachal Pradesh (PIN 792104).
What are the EMD and tender fee?
EMD is ₹10 Cr; tender fee is ₹50,000. Form of contract: Works.
How do I download the tender documents and BoQ?
Open the “Tender documents” section above to download the NIT and any corrigenda for reference 2025_THDC_891534_1. Bidding is done on the NIC eProcure portal.