(b)the representation of the Anglo-Indian community in the House of the People and in the Legislative Assemblies of the States by nomination, shall cease to have effect on the expiration of a period of 2 [eighty years in respect of clause (a) and seventy years in respect of clause (b)] from the commencement of this Constitution: Provided that nothing in this article shall affect any representation in the House of the People or in the Legislative Assembly of a State until the dissolution of the then existing House or Assembly, as the case may be.