Maintenance of drains along belgharia expressway connector khal from ch. 0.00 k.m to ch 3.18 k.m. by clearing and removing weeds water hyacinth solid _ semisolid compact mass and jungles etc. within north dum dum municipality dist. north 24pgs.

Installation of gauges at 9 nine different locations over udaypur klmne and sonai khal and taking readings for period of four months for authentication of mathematical model study within p.s. nimta dum dum and belghoria dist. north 24 parganas

Clearing and removing water hyacinth under amc for the period of 365 days including thick and thorny jungles of panshila khal from ch 0. 0 km to 7.50 km within block ps.gaighata, dist.north 24 pgs.

Topographic hydrographic survey of baldeghata khal from ch 0.00 to 15.48 km by using echo-sounder instrument and d.g.p.s system rtk method within block ps swarupnagar gaighata, dist.- north 24 parganas.

Annual maintenance by clearing and removing water hyacinth, semi solid mass and jungle cutting from ch. 0.00 m. (nayapatty) to ch. 3939.00 m. (chingrighata bridge) within sectorii, iii of salt lake city under bidhannagar municipal services division..

Clearing and removal of water hyacinth under amc for a period of 12 months from 12.000 km to 43.170 km over river nonagong in block - deganga, barasat -i ii, habra -i ii and ashoknagar municipality in dist. north 24 parganas.

Clearing drainage congestation in bager khal from ch 3800 mtr to 4150 and 5750 to 6550 mtr for a length of 1160 mtr in halishar municipality p.s. bijpur dist. north 24 parganas during the year 2025_26

Clearing and removal of water hyacinth under amc for a period of 12 months from guma rail bridge 0.000km to shantinagar 1.500km over shantinagar khal at block habra- ii, in the district of north 24 parganas.

Maintenance of bidyadhari branch khal from ch. 0.00 m to 6500.00 m by clearing and removing weeds, water hyacinth and jungles etc. up to may 2026 within block- bhangar-i, p.s. bhangar, district south 24 parganas.

Clearing and removing water hyacinth under amc for the period of 365 days including thick and thorny jungles of choita river from ch 0.0 km to 5.50 km within block and ps. gaighata, dist- north 24 pgs.