The scope of work includes construction of diversion tunnels, hydromechanical gates and cofferdams. The contract is scheduled to be completed within nine months.

The award follows WHPL's technical and financial evaluation process and reflects HCC's proven expertise in executing complex hydroelectric projects in challenging geographies.

The diversion works are critical for enabling the early commencement of the project's primary civil works and maintaining the overall implementation schedule of the Wangchhu Hydroelectric Project.

Bhutan's hydropower sector is poised for significant expansion under the country's 13th Five-Year Plan (2024-29), with the government targeting 6,000 MW of installed capacity and continued investments in large hydroelectric projects.

HCC's continued presence in Bhutan for over three decades has contributed significantly to the country's hydropower capacity through projects such as Tala (1020 MW), Kurichu (60 MW), Punatsangchhu-1 (1200 MW), Dagachhu (114 MW) and Nikachhu (118 MW).

Hindustan Construction Company (HCC) is the flagship company of Hindustan Construction Company Group (HCC Group) and is involved in engineering and construction of infrastructure projects such as dams, tunnels, bridges, hydro, nuclear and thermal power plants, expressways and roads, marine works, water supply, irrigation systems and industrial buildings across the country.

The company had reported 34.57% fall in consolidated net profit to Rs 58.94 crore on a 27.77% fall in revenue to Rs 992.20 crore in Q4 FY26 over Q4 FY25.