 The affordable electricity retail price (860 kcal/kWh at 75% input electricity to shaft power efficiency) to replace diesel (lower heating value 8572 kcal/litre at 40% fuel energy to crank shaft efficiency) is 9.97 Rs/kWh.The retail price of petrol is 75.00 Rs/litre in 2012-13.The affordable electricity retail price (860 kcal/kWh at 75% input electricity to shaft power efficiency) to replace petrol (lower heating value 7693 kcal/litre at 33% fuel energy to crank shaft efficiency) is 19.06 Rs/kWh.