Tender For conducting of unmanned aerial system drone survey(normal) at bridge no. 588up (2x76.2m towg + 1x18.3m pg) between thv-sprd and bridge no. 77dn (1x12.2m psc + 1x24.4m psc + 11x30.5m towg + 14x24.4m psc + 1x12.2m psc ) between blsn-anmd in connection with implementation of modern technology under the jurisdiction of sse/bridge/tig of sambalpur division.