What's the adjective for Indian? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs Indianise and Indianize which may be used as adjectives within certain contexts.
Indian
Of or relating to India or its people; or (formerly) of the East Indies. [from 14th c.]
(chess) Designating any of various chess openings now characterised by black's attempt to control the board through knights and fianchettoed bishops rather than with a central pawn advance. [from 19th c.]