providing services of continuous patrolling on canal, operation, maintenance, servicing of gates and vigilant inspection of canal during irrigation and non-irrigation season including cleaning of canal bank of special repair and ip side at u/s and d/s of control structure in specified reach dumad branch canal ch 0.00 to 6.937 km, ranoli branch canal ch 0.00 to 30.32 km, distributary under block no.13a and block no.11b for one year. .