New Delhi, May 29 -- India's leading electric car makers-Tata Motors Ltd, Mahindra and Mahindra Ltd, and Hyundai Motor India Ltd-are up in arms over the Delhi state government's draft paper proposing equal incentives for hybrid cars and electric vehicles (EVs), according to four people aware of the matter.

A crucial meeting to discuss the issue is scheduled to be held in Niti Aayog on 30 May, the people cited above said on condition of anonymity. Whether to incentivize hybrid cars on par with EVs will be discussed at New Delhi's premier think tank, they said.

This comes after a contentious draft proposal by the Delhi government, shared with automakers on 22 April, suggested waiving off road tax and registration fee for both technologies...