Comprehensive annual maintenance contract of blue star make precision air conditioning unit installed at s.e.s., s.e.n. and data centre for the year 2025-26.

Three-year comprehensive annual maintenance contract (camc) for environmental control system (electrical, mechanical, water treatment plant and ro plant, excluding bms system) for 13 underground metro stations of l-2 and l-3 , and three-year..

Establishment of 3 mld desalination plant based on sea water reverse osmosis at v.o.chidambaranar port and operation and maintenance for 5 years on dbo mode

Comprehensive maintenance contract of the sewage treatment plant stp, water treatment plant wtp, effluent treatment plant etp and ro plant at m.r. bangur ssh and metiabruz ssh package d

Annual maintenance and supply of spares for solar hot water heating system at kkc-i, ii and annex building at tirumala for the year 2025-26

Annual maintenance of temple section area (water works) at tirumala for the year 2025-26

Annual maintenance and materials required for maintenance of water lines in rbrh, sgrh and balaji nagar areas at tirumala for the year 2025-26

Annual maintenance and supply of spares for solar hot water heating system at sgrh 6 blocks, pac-iii, adiseshu rh and sevasadan in apsrtc bus-stand complex, tirumala for the year 2025-26

Annual maintenance and materials required for maintenance of water lines in gnc, choultries and surrounding areas at tirumala for the year 2025-26

Canal water based water supply project for construction of 5.0 mld water treatment plant wtp and other related works including 5 years operation and maintenance part-2 at dirba, district sangrur, punjab under amrut 2.0 scheme