New Delhi, April 1 -- India's electric vehicle (EV) battery makers could face collateral damage from the Trump tariffs, as foreign manufacturers unload cheap batteries here just as the local companies were ramping up production.

India's fast-growing EV market could absorb the diverted supply and drive down costs for local automakers, experts said, adding that also spells trouble for companies such as Amara Raja Energy & Mobility Ltd, Exide Industries Ltd, Reliance Industries Ltd and Ola Electric Ltd, which are investing billions to build battery plants.

Battery makers abroad have begun looking at markets beyond the US, said an executive in charge of the battery supply chain at a leading automaker. "Not only China, but even South Korean ...