Delhi Chief Minister Sheila Dikshit today exhorted the residents to make rational use of water and electricity .The use of recycled water for gardening would go a long way in saving drinking water. The water-harvesting scheme would be introduced in 205 schools and an amount of Rs.40 crore has been earmarked. The Delhiites have bought around five lakh CFLbulbs .The use of these bulbs would help save 1200 MW.