Gandhiji always advocated the use of indigenous goods.

Indigenous : originating or occurring naturally in a particular place; native.
Cheap : low in price, especially in relation to similar items or services.
Native : a person born in a specified place or associated with a place by birth, whether subsequently resident there or not.
Silly : having or showing a lack of common sense or judgement; absurd and foolish.
Foreign : of, from, in, or characteristic of a country or language other than one's own.

Antonym of Indigenous is Foreign