“Tender No. P2C3/Geo-03/2018-“ Detailed Geotechnical Investigation by Drilling Bore holes and collecting and testing the samples and submission of Geotechnical reports from THOUSAND LIGHTS to THARAMANI ROAD Junction of Corridor-3 (Total Length = 10.07 KM (CH:15742.00 to CH:25813.00) for UNDER GROUND section of Phase II Chennai Metro Rail Limited” Extension of Tender Submission Corrigendum No.1