Entrenched clause, is a section in the Constitution of some of the Commonwealth countries which can only be repealed or altered by special process and which deals with matters like the liberties of the subject, fundamental institutions of government etc., a number of the newer Commonwealth countries have included entrenched clauses in their Constitutions. The process of amending entrenched clauses varies with each Constitution and may involve a popular referendum, a fixed Parliamentary majority of two-thirds or more a system of delayed legislation or a combination of two or more such factors, Office of Speaker in the Parliaments of Commonwealth, Wilding and Philip Laundry, p. 250.
Any amendment of the Constitution necessitated by a legislation by Parliament to: (a) admit or establish a new State; (b) form a new State by separation of territories from any State or by uniting two or more States etc., and (c) abolish or create the legislative Council of State, is not deemed to be an amendment of the Constitution. Constitution of India, Art. 4 and 169.
In India, any party of the Constitution can be amended by each House of Parliament passing a Bill for that purpose by majority of the total membership of that House and by a majority of not less than two-thirds of the members of that House present and voting, Constitution of India, Art. 368.