MUMBAI: CBI has filed a case against Jawaharlal Nehru Port Trust officials and Tata Consulting Engineers, a project management consultant, for allegedly causing Rs 804 crore loss to govt in contracts to increase depth of the channel for large cargo ships. CBI was carrying out searches at several premises at the time of going to press, report Vijay V Singh & Reeba Zachariah.The FIR mentions “preparation of inflated estimates, restriction of competition to favour international bidders, extension of undue favour to contractor & suppression of reports of independent organisations”.The FIR was registered against ex-JNPT chief manager Sunil Kumar Madabhavi, TCE and its project director Devdutt Bose, BoskalisSmit India LLP, Jan De Nul Dredging India Pvt Ltd, and other unidentified individuals. It says the loss was spread over the dredging project’s two phases – 2003-14 and 2013-19.