Testing of Existing Lightning Arrestors and its Earthing, Planned for ASANSOL, Testing of Existing Lightning, Arrestors and its Earthing Planned for KHARAGPUR, Testing, of Existing Lightning Arrestors and its Earthing Planned for, CALCUTTA, Testing of Existing Lightning Arrestors and its, Earthing Planned for SILIGURI, New Lightning Conductor, finial for ASANSOL, New Lightning Conductor finial for, KHARAGPUR, New Lightning Conductor finial for CALCUTTA, New Lightning Conductor finial for SILIGURI, New Earthing, for ASANSOL, New Earthing for KHARAGPUR, for CALCUTTA, New Earthing for SILIGURI, Providing and, Fixing GI Tape 20 mm X 3 mm thick for ASANSOL, Providing, and Fixing GI Tape 20 mm X 3 mm thick for KHARAGPUR, Providing and Fixing GI Tape 20 mm X 3 mm thick for, Providing and Fixing GI Tape 20 mm X 3 mm, thick for SILIGURI, Providing and Fixing 25 mm X 5 mm GI, Strip for ASANSOL, Strip for KHARAGPUR, Providing and Fixing 25 mm X 5 mm, GI Strip for CALCUTTA, GI Strip for SILIGURI