Tender For corrigendum : providing of custom bid for services - schedule 1 western region for risk assessment of waterbodies interacting with bpcls pipeline using hydro technical or hydro dynamic data and historical satellite imagery,custom bid for services - schedule 1 western region for risk assessment of waterbodies interacting with bpcls pipeline using hydro technical or hydro dynamic data and historical satellite imagery,custom bid for services - schedule 1 western region for risk assessment of waterbodies interacting with bpcls pipeline using hydro technical or hydro dynamic data and historical satellite imagery,custom bid for services - schedule 1 western region for risk assessment of waterbodies interacting with bpcls pipeline using hydro technical or hydro dynamic data and historical satellite imagery,custom bid for services - schedule 1 western region for risk assessment of waterbodies interacting with bpcls pipeline using hydro technical or hydro dynamic data and historical satellite imagery,custom bid for services - schedule 2 central