In pursuance of this section the Central Government issued Notification No. S.R.O. 260, dated the 3rd July, 1960, which was published in the Gazette of India, Part II, section 3, 706 dated the 15th July, 1950, page 254, in which broadly three categories of persons were exempted: (a) Any person who on or after the 1st day of March, 1947, migrated from India to Pakistan but had returned to India before the 18th day of July, 1948, and had settled therein ; (b) Any person who has left or leaves for Pakistan on a temporary visit taking with himself a "No objection to return" certificate, and has returned, or returns, to India under a valid permit issued under the Influx from Pakistan (Control) Act, 1949, for permanent return to India; and (c) Any person who has come from Pakistan to India before the 18th day of October, 1949, under 'a valid permit issued under the Influx from Pakistan (Control) Act, 1949, for permanent resettlement in India.