Extra Ordinary Repair Of Indo Bangladesh Border Road In The State Of Tripura Ibbr- 92, 92 (A), 92 (B) & 93 At Various Locations Identifed Of Total Length 20.77 Kms Between Bp 1842/3Ri To 1885/Mp Of 20 Bn Bsf (Hq Panisagar), Dharmanagar, Tripura Sector. Sh:- Consultancy Services For Geotechnical Investigation And Structural Design For Construction Of Bailey Bridge Upto 30 M Span Including Foundations, Abutments And Allied Works In Stretch Id- 104 At Bp No. 2042/2-S Near Bop Kamlasagar, 150 Bn Bsf, In Tripura Ftr Along Bangladesh Border. (Re- Call)