New Delhi: THDC India Limited has invited online electronic bids on a Domestic Competitive Bidding (DCB) basis for Package II of the Kalai II Hydroelectric Project, a 1200 MW hydropower project in Arunachal Pradesh. The project involves extensive civil and hydro-mechanical works, including the construction of coffer dams, diversion tunnels, and a road tunnel.
Tender Details and Submission Timeline
The tender is being processed through the Central Public Procurement Portal (eprocure.gov.in) under a single-stage, two-envelope bidding system. The estimated cost of Package II is INR 1588.75 crore including GST, with a construction period of 31.5 months.
- Bid submission start: 27 December 2025 at 18:00 hours
- Deadline for submission: 27 January 2026 up to 15:00 hours
- Pre-bid conference: 12 January 2026 at 11:00 hours at THDC India Limited, Civil Design Department, Rishikesh
This process allows interested bidders to submit both techno-commercial and price bids online within the given timeframe.
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Scope of Work Under Package II
The scope of work for Package II includes:
- Construction of five circular diversion tunnels of 14.4 metre finished diameter
- Construction of an upstream coffer dam of 32.7 metre height and a downstream coffer dam of 21 metre height, including diaphragm cutoff walls
- Installation of ten vertical lift fixed wheel diversion tunnel gates
- Construction of an 8-metre diameter road tunnel, stretching 1837 metres on the right bank
The project demands advanced technical expertise in dam construction, tunneling using the drill-and-blast method, and execution of hydro-mechanical gate works.
Eligibility Criteria for Bidders
Bidders must demonstrate strong technical experience in hydropower or large infrastructure projects. The financial eligibility criteria include:
- Minimum average annual turnover of INR 642 crore for the last two financial years
- Positive net worth
- Working capital of at least INR 86 crore
- Minimum bid capacity of INR 1346.4 crore
These requirements ensure that only capable and financially sound firms can participate in the project.
About THDC India Limited
THDC India Limited, a public sector undertaking and a joint venture of the Government of India and the Government of Uttar Pradesh, is a leading company engaged in the development, operation, and maintenance of hydroelectric power projects. It has a proven track record in delivering large-scale hydropower projects across India, contributing significantly to the country’s renewable energy capacity and sustainable infrastructure development.
