Who are the Minority community in India ?

Who are the Minority community in India ?
Its really confusing, please list out the minority communities in India as per the government notification.

one thing i Know is Muslims, Christians and then..... who else ?
Update: Chimanlal Desai SAYS Jains are not minority... but what does the definition of minority community mean ?

As far as the government help its only for the muslims - no one else, but we are not discussing it here. we are asking for definitions.
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