East Coast Railway - Andhra Pradesh
28146972 supply of kottavalasa koraput doubling project: carrying out detailed investigation designs including feasibility study of best alignment, uas ( drone ) survey, geotechnical investigation of formation, major bridges, geological mapping, geological investigation design of tunnels , preparation of gad s of bridges, tunnels, yards, preparation of drawings for electrical works etc in connection with doubling of railway line for the section between boddavara karakavalasa ( 51.00 km ) on kk line of waltair division, east coast railway.kottavalasa koraput doubling project: carrying out detailed investigation designs including feasibility study of best alignment, uas ( drone ) survey, geotechnical investigation of formation, major bridges, geological mapping, geological investigation design of tunnels , preparation of gad s of bridges, tunnels, yards, preparation of drawings for electrical works etc in connection with doubling of railway line for the section between boddavara karakavalasa ( 51.00 km ) on kk line of waltair division, east coast railway., ...