assessment of existing river cross sectional profile survey of 9 nos different rivers of the north bengal at different time throughout the year to be conducted by the river research institute, irrigation & waterways dept, government of west bengal, mohanpur, nadia., hydrological observation & assessment of silt load of river karroo and sindhri at bagmundi, purulia, w.b. during the monsoon 2026., hydrological observation in the river kangsabati and its bifurcated channels i.e main kasai, old & ne

Irrigation And Waterways Department has invited bids for the assessment of existing river cross sectional profile survey of 9 nos different rivers of the north bengal at different time throughout the year to be conducted by the river research institute, irrigation & waterways dept, government of west bengal, mohanpur, nadia., hydrological observation & assessment of silt load of river karroo and sindhri at bagmundi, purulia, w.b. during the monsoon 2026., hydrological observation in the river kangsabati and its bifurcated channels i.e main kasai, old & new kasai at kapastikri in the district west midnapore to be conducted by river research institute, i&w dte, mohanpur during the monsoon of year 2026., assesment of existing topographical and bed profile for further extensive bathymetric survey for a length of approx of 3.00 km. from this location ( lat2151'54.50''n,long-8810'14.26''e ) to down side of muriganga river (on the southern side towards the bay of bengal) kakdwip side to kachuberia side in the river muriganga in respect of dredging for the gangasagar mela-2026 to be conducted by the river research institute under irrigation and waterways department, govt.of west bengal, mobanpur, nadia., supplying of security guards at main gate, office building, bungalow & campus of harichara irrigation campus, cooach behar under river research institute, i&wd for the year 202627. The estimated project cost is ₹0.13 Cr, with an EMD of ₹0 Cr. Please refer to the tender document for the bid submission deadline, with the technical opening scheduled for 28 September 2026.