New Delhi, March 23 -- India's auto parts makers are betting on lightweight components as a key growth frontier, as automobile companies intensify efforts to improve electric vehicle (EV) efficiency and driving range, analysts said.

At least two large auto component makers-Pune-based Belrise Industries Ltd and Gurugram-based ASK Automotive Ltd-are focusing on making lighter parts, as automakers look to balance the extra weight of lithium-ion batteries in EVs compared to traditional internal combustion engines (ICE).

Analysts say the trend is set to accelerate as lighter components improve driving range-a key concern for EV buyers-by reducing energy use per kilometre and allowing vehicles to travel longer distances on a single charge. Va...