Comprehensive annual maintenance contract of daikin make variable refrigerant volume (vrv) system installed at depot of line-3, 7 and 8 and rss of line-1, 2, 5, 6, 7 and 8 of dmrc.

Maintenance contract for inspection and rectification / replacement of bearing and grout of line-7 from mkpr to svvr in metro network.

Maintenance of horticulture work at line-6 north section (lal quila to govind puri) and sarita vihar depot, staff quarters and rss.

Rate contract for general e and m works in phase 1 of cmrl corridor 2 stations from st thomas mount to chennai central metro station including koyambedu depot koyambedu adbuilding staff quarters central square

Rate contract for general e and m works in phase 1 and phase 1 extension of cmrl corridor1 stations from chennai airport metro to wimco nagar depot station including metros, nandanam staff quarters and wimco nagar elevated depot

Maintenance contract for controlling leakage and seepage in underground section including tunnel/viaduct, station building, ancillary building, rss and maintenance of drainage system of viaduct of line - 7 from durgabai deshmukh south campus..

General maintenance contract of line-7 from mayur vihar ph-1 to shiv vihar metro station including viaduct, rss, ancillary buildings, fob, vinod nagar depot and vinod nagar staff quarters.

Anti-carbonation painting of piers, pier caps, portals and viaduct segments/i- girders of section mayur vihar phase-1 to shiv vihar stations and vinod nagar depot of line-7.

Maintenance and development of horticulture works from barakhamba road to noida electronic city of l-3 and laxmi nagar to vaishali metro station of line-4 for 03 years.

74-1 - s.r. to residential buildings at govt. polytechnic building at pune. (repairs to terrace waterproofing, water supply line and plinth protection at class iv quarters, staff quarters and hostel area) annual maintenance 2024-2025.