Work of Periodical, preventive, breakdown and shutdown maintenance and annual overhauling of 2x210MW and 2x250MW Turbogenerator (Electrical Works) and/or HT and LT Motors in main plant area, 16.50 KV, 15.75 KV, 6.6 KV and 415 V Bus ducts, EOT Cranes/ Hoists (Electrical Works), etc. and operation and general cleanliness of Lifts/ Elevators of GHTP Stage-I and II as per detailed scope mentioned in Tender Specifications for a period of one year(613/GHTP/EMC/GMMC-27/Vol-37 )