Comprehensive Maintenance Of Lifts Substation Capacity 1000 Kva 2 Nos 625 Kva Dg Set Pumpsets Fire Fighting System Fire Alarm System E And M Equipment Of 1 Mld Sewage Treatment Plant For Four Blocks Of Income Tax Buildings Type Ii 1 No Type Iii 2 Nos And Type Iv At Central Revenue Quarters Anna Nagar Chennai 40 Comprehensive Mtce Of Lifts Ss Capacity 1000 Kva 2 Nos 625 Kva Dg Set Pumpsets Fire Fighting System Fire Alarm System E And M Equipements Of 1 Mld Sewage Treatment Plant For Six Blocks Of Customs Buildings Type Ii 2 Nos Type Iii 2 Nos Type Iv 2 Nos At Central Revenue Quarters Anna Nagar Chennai 40