Prevention of water flow

Notwithstanding anything contained in the foregoing rules any person may prevent the flow of water:-(a) on his turn when the turn system (warabandi) Is in force, or(b) When the water is being wasted, or(c) When the water is being used by the unauthorized persons depriving the authorised persons, or(d) Otherwise with the written permission of the depart- mental staff or irrigation panchayat concerned.