BATHYMETRIC SURVEY OVER A STRETCH OF 50KM AND HYDROGRAPHIC SURVEY AT 4 NOS SECTIONS AT RIVER RUPNARAYAN AT PURBA MEDINIPUR DISTRICT
BATHYMETRIC SURVEY OVER A STRETCH OF 50KM AND HYDROGRAPHIC SURVEY AT 4 NOS SECTIONS AT RIVER RUPNARAYAN AT PURBA MEDINIPUR DISTRICT