JV of R R Thulasi, Siva Engineering emerges as L1 bidder for implementation of Kovalam Basin Integrated Storm Water Drainage Project (Package 20) in Tamil Nadu March 1, 2024 | Awarded, Key Segments, Municipal Wastewater, Project Updates, Wastewater The joint venture (JV) of R R Thulasi Builders India Private Limited and Siva Engineering Company has emerged as Lowest (L1) … This content is restricted.