Detailed Topographical Survey using Total Station/ DGPS & Drone for Proposed Corridor of 19.886 Km Elevated Viaduct from Godhavi (Chainage (-) 405.00) to Badrabad dead End (Chainage 19481.228), including 12 nos. Elevated Stations of Ahmedabad Metro Rail Project Phase III(B) and 3.313 Km elevated viaduct from Thaltej Gam to Canal Road ( Chainage (-) 540.495 to (-) 3853.547), including 3 nos. Stations” of Ahmedabad Metro Rail Project Phase III(A)