New Delhi, April 25 -- China's restrictions on exports of rare earth magnets can hurt the India's production of critical parts required to run electric vehicles (EVs), hobbling automakers' plan to localize supply chains.

China has started asking for end-user certificates to clear exports of these magnets, which are required in electric motors and some components used in EVs, a development first reported by CNBC-TV18.

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As per a person aware of the development, the certificate needs to be signed by a director of the importing company that discloses end-use of the magnets along with pictures of the product where they will be used.

To be sure, the restrictions on exports are not specif...