(1) Operation and maintenance of 11KV sub station equipment, 500KVA/320KVA/125KVA DG Sets, internal electrical installations, water supply pump sets, addressable fire alarm system, AC Plant, VRF System, Fire fighting system, boom barriers and Lifts at Niti Aayog, New Delhi for the FY 2026-27. (2) Operation and maintenance of 11KV Sub station equipments, 320KVA DG Set, internal electrical installations, water supply pump set, addressable fire alarm system, fire fighting system and Lifts at Nirvachan Sadan, New Delhi for the FY 2026-27. SH - Comprehensive maintenance of servo control stabilizer in lift machine rooms at Nirvachan Sadan and Niti Aayog.