Water proofing treatment at various buildings in Residential zone at IIT Madras. (SH: Quarters No: B-7-1, B-7-2, D-06, E1-08, E1-13, E-06, 10, 11, 12, E-1, 2, 8, 9 & 11, C-10, C-22, Bw-25, D-03, D-04 and Vanavani School Nursery Section).