SPECIAL REPAIRS TO ONE BLOCK OF (MACKEREL-I, BLDG No. P-39) SENIOR SAILORS MARRIED ACCOMMODATION AND (SAGAR 2,3,4 & 5, i.e. BLDG Nos. P-19, 20, 21 & 22) FOUR BLOCKS OF OFFICERS ACCOMMODATION AT PTC KALPAKAM UNDER AGE(I) NAVY CHENNAI ( TENDER ID No. 2018_MES_228743_1)