Tenders for All Inclusive Comprehensive Maintenance Contract Of 3X600tr Carrier Make And 3X300tr York Make Chiller Plants At Sgrdji Airport, Amritsar For 02 Years 2022-24. Annual Operation And Maintenance Of 3X600 Tr Carrier Make, 3X300tr York Make, Vrv And Precision Type Air-Conditioners, Window/Split Ac Units, Water Coolers, Ro Systems And Water Purifiers At Sgrdji Airport, Amritsar From 2022-24 02 Years.