RENOVATION AND DEVELOPMENT WORKS IN NIRT, TIRUVALLUR AND CHENNAI DURING 2022-2023. SH-I: RENOVATION OF EXISTING LABORATORY BUILDING FOR SETTING UP OF VRDL LABORATORY INCLUDING ELECTRICAL AND MECHANICAL SERVICES AT NIRT, THIRUVALLUR AND PROVIDING BARBED WIRE FENCING AROUND THE PERIMETER OF VACANT LAND BEARING SURVY NO.36/2 AND NAME BOARD AT NIRT, TIRUVALLUR. SH-II: REPLACEMENT OF EXISTING ALUMINIUM WINDOWS WITH UPVC WINDOWS, INTERNAL PAINTING OF ROOMS AND LABS OF SECOND FLOOR OF IAVI/VTC FACILITY AT NIRT, CHENNAI.