Vijayawada: The World Bank has ranked Andhra Pradesh as the best state in the country in implementation of energy efficiency and conservation programmes. With an overall score of 42.01, AP has emerged on top followed by Rajasthan with 41.89, Karnataka 39.34 and Maharashtra 39.29 in Energy Efficiency Readiness, a release from the State Energy Conservation Mission said. Kerala, Gujarat, NCT Delhi, Punjab, Odisha and Uttar Pradesh are the other states in the top ten ranking in that