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. at 7/ C/ E ( AMP- KWAE ) 29/ B/ T ( AZ- PRDG ), 24/ 1/ 9 ( CWLE- KNSN ), 24/ 1/ 3 ( CWLE- BZLE ), 24/ A/ 5 ( KGLE- KNSN ), 6/ C/ E ( AMP- KWAE ) & up- gradation & Interlocking for gate No. 24/ A/ 12 ( KNSN- KGLE ) in Howrah Division of Eastern Railway.