MRTS- Phase -II - Extension from Velachery to St . Thomas Mount - Balance Works at Puzhuthivakkam, Adambakkam and St.Thomas mount stations In Platform Level kerb walls, cover slabs and battery room Acid Proof Tiles works in Railway Portion Name Board, sign board and other indication board, Brick Work , Plastering , Colour Washing , Flooring , S.S Hand railing etc., and Remote control cubicals for switch room at St . Thomas Mount Integrated Station Building, Demolishing of RCC Plinth beam with guard rail wall arrangements over PSC deck slab between Pier No.154 and 157 on UP & DN line PSC Girders, Fixing water down pipes at Box Girders and connecting to the Rain water harvesting wells along MRTS alignment between VLCY and St.Thomas Mount stations.