Supply, erection, testing & commissioning of 50Hz single phase 25KV AC OHE in connection with provision of slewing of OHE for construction of Limited Height Subway in lieu of L. C. gate no. 13/ C/ E, 4/ C/ E, 8/ C/ E, 6/ C/ T, 9/ C/ E, 1/ C/ E, 14/ C/ E, in BWN- BGNA and 14/ C/ E in AMP- KWAE section in Howrah Division of Eastern Railway.