(2)If a person who has been chosen as a member of the Zilla Panchayat is or becomes a member of the House of the People, the Council of States, the State Legislative Assembly, a Municipal Council or a Panchayat then at the expiration of a period of 15 days of such election, his seat in the Zilla Panchayat shall become vacant, unless he has previously resigned from his seat in the House of the People, the Council of States, the State Legislative Assembly, the Municipal Council or the Panchayat, as the case may be.