What is the price of the battery of Mahindra e2oPlus ? Why is there so much difference in price of P4 model in New Delhi & Kolkata

What is the price of the battery of Mahindra e2oPlus ? Why is there so much difference in price of P4 model in New Delhi & Kolkata

Question asked from: http://www.carandbike.com/mahindra-cars/e2oplus