1.Up-keepment of “F” Canals by Mechanical Devices & by cleaning and removing water hyacinth, green vegetation and semi solid materials from the canal bed etc.in Action Area-I under NKDA, New Town, Kolkata. 2. Up-keepment of “G” Canals by Mechanical Devices & by cleaning and removing water hyacinth, green vegetation and semi solid materials from the canal bed etc.in Action Area-I under NKDA, New Town, Kolkata.