Supply Of Labour, Vehicle And All Other Related Accessories In Respect Collection Of Hydrographic Data By River Survey Using With Echo Sounder Instrument And Ts Machine In Connection With Construction Of Diversion Vented Causeway Including Both Side Approach Road For Distressed Khukurdaha Bridge At 9.90 Km Of Panskura - Ghatal Road (Sh-04) Under Midnapore Highway Division In The Dist. Of Purba & Paschim Midnapore.