Section 101(3) in The Manipur Panchayati Raj Act, 1994
(3)If a person who is chosen as a member of a Panchayat is or becomes Member of the House of the People, the Council of States, the State Legislative Assembly or the State Legislative Council, or is or becomes a Municipal Councillor or a Councillor of Municipal Corporation or a Member of a Sanitary Board, and other Panchayat, then within fifteen days from the date of commencement of the term of office of a Member of the House of the People, the Council of States, the State Legislative Assembly or State Legislative Council or of a Municipal Councillor or a Councillor of a Municipal Corporation or a Member of such other Panchayat his seat in the Panchayat shall become vacant unless he has previously resigned his seat in the House of the People, the Council of States, the State Legislative Assembly or the State Legislative Council or the Municipal Corporation of the Board or such other Panchayat, as the case may be.