How was the term minority defined by different groups?

According to B. Pocket Bahadur, minorities exist in all land. N. G. Ranga said that the minorities are not the Hindus, the Sikhs and not even the Muslims. According to N. G Ranga, the real minorities are the people of the country who are so depressed, oppressed and suppressed, who are not able to take advantage of the ordinary civil rights. These people are basically poor people. The fundamental rights were meaningless for them.