The british levied unusually high taxes on export of Indian goods.

Answer: Option C

Implemented : put (a decision, plan, agreement, etc.) into effect.
Stipulated : demand or specify (a requirement), typically as part of an agreement.
Imposed : force (an unwelcome decision or ruling) on someone.
Enacted : make (a bill or other proposal) law.
Levied : impose (a tax, fee, or fine).

Synonym of Levied is Imposed