In this Constitutional amendment the duration of reservation of seats in Lok Sabha and State Legislative Assemblies for Scheduled Castes, Scheduled Tribes and Anglo-Indians was extended until 1970. The Constitution of India allows for its amendment in order to change according to evolving situations and requirements, just like all other existing constitutions around the world. Ever since the Constitution of India was enacted in 1950 there have been 104 amendments till January 2020. There are basically three types of amendments to the Indian Constitution, out of which the second and third categories of amendments are governed by Article 368.