Repair and maintenance contract of 100 KVA DG sets for 1st, year, Repair and maintenance contract of 100 KVA DG sets, for 2nd year, Repair and maintenance contract of 100 KVA, DG sets for 3rd year, Repair and maintenance contract of, 200 KVA DG Set for 1st year, Repair and maintenance, contract of 200 KVA DG Set for 2nd year, Repair and, maintenance contract of 200 KVA DG Set for 3rd year, Repair and maintenance contract of 320 KVA DG Sets for 1st, Repair and maintenance contract of 320 KVA DG Sets, Repair and maintenance contract of 320 KVA, DG Sets for 3rd year, Carrying out D- Check maintenance, for 100 KVA DG Sets, Carrying out D- Check maintenance for, 200 KVA DG Set, 320 KVA DG Sets, Repair and Maintenance of obsolete, existing control module and associated electrical or, communication wiring of 320 KVA DG Set