Conversion of HTOH 11KV line to 11KV UG cable by laying of 11kv 3cx300 sqmm XLPE cable by micro-tunneling method at Nowpala, Bagnan, Howrah for proposed rail bridge construction work under Uluberia Division Conversion of HTOH 11KV line to 11KV UG cable by laying of 11kv 3cx300 sqmm XLPE cable by micro-tunneling method at Nowpala, Bagnan, Howrah for proposed rail bridge construction work under Uluberia Division