<h1>Dam safety approval conditions commissioning of Subansiri Lower hydropower units, with phased completion contingent on clearance.</h1> Commissioning of the Subansiri Lower Hydroelectric Project's initial generating units is conditional on dam safety approval; NHPC anticipates beginning the commissioning process for three units in June, expressly subject to receipt of clearance from the relevant dam safety authority, with remaining units to be completed in a phased schedule by the following May.