Can be done and already has been done in some parts of world. For example GiveWater project.
But in India, we would have to look at its economic viability.
Solar Power For LCA Tejas' Manufacturing Division Of HAL
http://www.defenseworld.net/news/18050/Solar_Power_For_LCA_Tejas__Manufacturing_Division_Of_HAL#.WG-MSrkWTIU
Yeah seen this doc recently on 19th evening. The most significant is its completion within the stipulated time frame inspite of the heavy flood in two decades.