India has tightened restrictions on silver imports by adding grain and ​powder forms

to the list of restricted categories and ‌mandating prior valid

import authorisation, as the world's ​biggest consumer of the

metal tries to ⁠rein in shipments and ease pressure on the rupee.Imports of silver in the form of grains, powder, other ‌forms

and where content is 99.9% silver are restricted, according to a