MUMBAI, April 22 -- The state government is rolling out a new electric vehicle (EV) policy in order to give a boost to EVs and reduce the number of petrol and diesel vehicles in the near future. It is expected to spend Rs.400 crore annually on incentives ranging Rs.30,000 to Rs.2 lakh to two- and four-wheelers and transport vehicles. The new policy is likely to come into being on May 1....