All charged up about the prospects of the electric vehicle (EV) segment, Tirupati-based battery makerAmara Rajais gearing up to invest between $800 million to $1 billion to build a gigafactory over the next five to eight years.

The bidding process is expected to take place by the end of this financial year, he said, adding that post bidding it would take around two years to start manufacturing cells at the gigafactory.

The company will also decide on the location of the factory based on the overall incentives offered by the Centre as well as various states that have rolled out EV policies.