Annual Maintenan And Service Contract For 3 Three Nos.Of Lift At E-Governance Centre, 28A, K.N.Sen Road Kol-42, Tolly Tax Tax Building, 212, R.B.Avenue Kol-19 And Vegetable Range Of Gariahat Market Complex Kol-19 Under Ltg/Z-Iii. Kmc/Ltg/Z-Iii/2025-2026/602