This paper presents Parsis as a minority community who feel sense of insecurity, anxiety, atrophy and threat in a dominated culture in different time periods. Rohinton Mistry's novels deal with the life of Indians who suffer from communal disharmony, religious Chauvinism, ethnicity and cultural diversities. Such a Long Journey records the anxieties, uneasiness, problems and the distinct identity of a Parsi community within the boundary of India and tried to preserve the ethnic identity of the community. The novel mainly focus on realistic picture of the minority community like Parsis who became the victims of the political uncertainties. Mistry raises some problems of community and cultural crisis which are the main issues under the subaltern studies. There is a message that race, ethnicity or majority are controlling factors on the ideology and cultural make up of particular place where cultural diversity exists. The drift between ethnic culture and majority culture often gives rise to unrest in the national life as well as social structure. It is necessary to steam out the hatred, religious chauvinism and misconceptions through proper channels.