The Joint Venture (JV) of Enviro Control Associates India Private Limited and Khilari Infrastructure Private Limited has won contract worth Rs 7,781.59 million for implementation of 375 million litres per day (mld) Vasna Sewage Treatment Plant (STP) Project in Ahmedabad, Gujarat. Bids for the same were invited by the Ahmedabad Municipal Corporation (AMC) in September 2023.

The scope of work involves design, build and operation (DBO) of new 375 mld STP and upgradation of the allied infrastructure including three terminal sewage pump stations with Operation and Maintenance (O&M) for 15 years under the Ahmedabad City Resilience Project.