Meaning: Unshakeable faith in communism.
Usage: EMS Namboodripad was renowned for his communishta.
Root: Communism + Nishta (Sanskrit for absolute faith).
Related coinage: Saffronishta - Unshakeable faith in Hindutva.
Note: The difference between Saffronista and Saffronishta is the former describes an idealogue while the latter is about the extent of faith in the ideology.