T) he Indian government requires a special import license for motorcycles and vehicles that is very restrictive. Import licenses for motorcycles are provided to only foreign nationals permanently residing in India, working in India for foreign firms that hold greater than 30% equity or to foreign nations working at embassies and foreign missions." - from export. gov

Trade barrier-"A restriction imposed on the free flow of trade is known as Trade barrier."

The trade barriers are classified as tariff barriers or non-tariff barriers.

Explanation:

Trade Barriers in India:

The most common non-tariff barrier is the prohibition or restriction of goods that are imposed through import licensing requirements. Certain products are subjected to licensing related trade barriers, although India has eliminated its import licensing requirements for most consumer goods.

It's a trade barrier.

Because trade barriers restrict the trades for only certain international places, in this case it's only To foreign nationals whom reside in India and such. Plus, the other options wouldn't have made sense.