Preparation of GADs including structural design work of sub & Super structure of 4 nos. of ROBs, 5 nos. of RUB/ LHS, extension of 05 nos. of minor Bridges, Scheme for dismantling the existing ROB and providing specification/ scheme drawing for shifting for utilities like water supply pipeline, electric/ cable lines, Preparation of Plan for diversion of road traffic, geotechnical investigation and report and proof checking from IIT/ NIT in connection with construction of Third Line from Kamakhya to Guwahati section.