Salem, May 12: Former CBI director and National Agriculturists Awareness Movement (NAAM) leader D R Karthikeyan today appealed to the Tamil Nadu government to continue free electricity to farmers. Addressing a meeting of the NAAM here, he said one fourth of the Indian population was below the poverty line and 70 per cent of Indians were agriculturists. Within 20 years there would be severe water scarcity in India, he warned and said to avert it all rivers in the country should be linked. NAAM's Tamil Nadu state president T S Prabhu Raja presided the meeting. Bureau Report