Section 10A of The Goa Panchayat Raj Act, 1994

member of the House of the People, the Council of States or the State Legislative

Assembly, then at the expiration of a period of fifteen days of such election, his seat in

the Panchayat shall become vacant, unless he has previously resigned from his seat in the House of the People, Council of States or the State Legislative Assembly, as the case may be].