New Delhi/Mumbai, Oct. 8 -- Maruti Suzuki India Ltd, Mahindra & Mahindra Ltd and Hyundai Motor India Ltd will have to ramp up the share of electric, CNG and hybrid vehicles in their sales to comply with stricter fuel efficiency rules to be rolled out from April 2027 in India.

Maruti Suzuki, India's largest carmaker and Mahindra seek to bump the share of electric vehicles (EVs) to nearly a fifth of their sales in the coming years from below 5% in the year ended March 2025, according to plans disclosed by companies. Tata Motors, with a third of its sales coming from CNG and electric cars last fiscal, is relatively better placed than peers to meet the Corporate Average Fuel Efficiency (CAFE) 3 norms.

The target will be relatively tougher t...