IR should be concentrated in Track laying and train movement.Water supply shoul be derived from the Town/Municipal/City /Water Board /local authority.TAMILNADU WATER SUPPLY AND DRAINAGE BOARD,CHEPAUK,CHENNAI-600005 collects Water Charges from the Rural Local Bodies in Tamilnadu Rs 3.00 per 1000 liter of potable drinking water and for the Urban Local Body Rs 4.50 per 1000 liter of water.These are the Cheapest Water tariff in the Indian State.Southern Railway can approrach local body/Twad board to derive water for their Railway colonies which comes under the concerned Rural/Town/Municipal/City in the Tamilnadu territory.