As reported yesterday by RushLane, Mahindra and Mahindra have successfully completed buying a 55% stake in Reva Electric Motors, Bangalore. Though Mahindra did not disclose the total amount, it said it will invest another $9.5 million to give Reva's R&D a boost. Reva's CTO, Chetan Maini who joined the company as a mechanical engineer keeps his post under the Mahindra banner. M&M COO, MR. Rajesh...