The BJP on Friday demanded the resignation of Delhi Social Welfare Minister Rajendra Pal Gautam over his alleged involvement in a function held in New Delhi yesterday, where thousands of Hindus got converted to Buddhism.  Addressing a joint press conference in New Delhi today, party MP Manoj Tiwari accused Mr Gautam of disturbing the communal harmony in the national capital. He said  by attending this event, Mr Gautam tried to spread hatred and flare religious differences between Hindus and Buddhists.<br />'' <br />''Tiwari said, Mr Gautam instigated people to use objectionable comments against Hindu deities which is not acceptable in a civilised society.