See here all the information related to important amendments

AmendmentYearDescriptionfirst amendment1951Amended the provisions of fundamental rights with restrictions on freedom of speech and expression and validation of zamindari abolition laws.second amendment1952The population limit prescribed for the elected member of Lok Sabha was removed.third amendment1954The legislative list was amended in the seventh agenda.fourth amendment1955Amendments were made to sections 31 and 31A, affecting compensation and the Ninth Agenda for Compulsory Acquisition of Property.fifth amendment1955Time limit added for states to express their views on doubtful cases by the central government.sixth amendment1956Made amendments in the seventh agenda and made changes in tax regulatory related sections.seventh amendment1956The implementation of the State Reorganization Act brought about sweeping changes.eighth amendment1959Increased reservation of seats in the Lok Sabha and state assemblies for certain communities.ninth amendment1960Under the agreement between India and Pakistan, certain areas were transferred to Pakistan.tenth amendment1961Integrated Free Dadra and Nagar Haveli into the Union of India.eleventh amendment1962The election of the Vice President was brought about by a joint sitting of Parliament rather than by the Constituent Assembly.twelfth amendment1962The areas of Goa, Daman and Diu were included in the Union of India.thirteenth amendment1962Nagaland state established.fourteenth amendment1963The former French territory of Puducherry was included in the Union.fifteenth amendment1963The retirement age of high court judges was increased from 60 to 62 years and minor amendments were made to streamline the interpretation of judges' rules.eighteenth amendment1966Helped in reorganizing Punjab on linguistic basis, facilitating the division of Punjab and Haryana and creating the Chandigarh Union Territory.eleventh amendment1967Sindhi was included as the 15th regional language in the eighth agenda.left amendment1969A sub-state of Meghalaya was created within Assam.twenty-third amendment1969Reservation of seats for SC/ST and appointment of Anglo-Indians was extended for another 10 years (till 1980).twenty-sixth amendment1971Abolished the titles and special privileges of the former rulers of princely states.Seventh Amendment1971The states of Manipur and Tripura were established and Mizoram and Arunachal Pradesh were formed as union territories.thirty-first amendment1973The electoral strength of elected members of the Lok Sabha was increased from 525 to 545 and the upper limit of representatives from a state was increased from 500 to 525.thirty-sixth amendment1975Sikkim was made a state of the Union of India.forty-eighth amendment1975Provided for the President to declare emergency and to issue ordinances by the President, the Governor and the Chief Directors of the Union Territory and the same could not be contested in any court.twenty ninth amendment1975The election of the Prime Minister, Speaker, President and Vice President cannot be challenged in any court.forty-second amendment1976Parliament was given primacy and the Directive Principles had supremacy over fundamental rights. 10 Fundamental Duties were added and changes were made in the Preamble of the Constitution.forty-fourth amendment1978Restored the normal term of the Lok Sabha and Legislative Assemblies to 5 years, removed the power of attorney from Part III and limited the induction of internal emergency.forty-fifth amendment1980Reservation for SC/ST was extended for additional 10 years (till 1990).twenty-second amendment1985The Tenth Agenda was included in the Constitution for indivisibility of rights on the basis of renunciation due to defection.twenty-fifth amendment1986Arunachal Pradesh was granted statehood and the Union Territory of Goa was granted statehood.twenty-first amendment1989The voting age for Lok Sabha and State Legislative Assembly was reduced from 21 years to 18 years.ninety-third amendment1992There is provision for direct elections for all seats of Panchayati Raj institutions, Gram Sabha, Panchayats, reservation of seats for SC and ST and regularization of tenure of Panchayats for 5 years.seventy-fourth amendment1993There is provision for reservation of seats for three types of mayors, SC/ST, women and OBC.twenty-seventh amendment1995New section (4A) was amended to continue the policy of reservation for promotion of SC/ST and to make changes in new section (4A) of Section 16.eighty ninth amendment1999Reservation for SC/ST and Anglo-Indians in the Lok Sabha and State Legislative Assemblies was extended for an additional 10 years.eighty-sixth amendment2002By inserting Section 21A, the right to education was provided to children in the age group of 6 to 14 years.ninety ninth amendment2003Section 338 was amended to establish the National Commission for Scheduled Castes and the National Commission for Scheduled Tribes.ninety amendments2003Section 170A was inserted to provide for the number of seats in the Legislative Assemblies of certain states.ninety one amendment2003Section 75 was amended to limit the number of ministers in the cabinet.ninety second amendment2003Bodo, Dogri, Santali and Maithili were included as official languages.fifty-third amendment2006Provided 27% reservation for Other Backward Classes (OBCs) in government and private educational institutions.ninety nine amendments2014Provides for constitution of National Judicial Appointments Commission (struck down by Supreme Court).hundred amendments2015Pertains to the Land Boundary Agreement (LBA) between India and Bangladesh.hundred and first amendment2016Brought in to implement the Textiles and Services Tax (GST).hundred arrows and amendments201910% reservation was provided in educational institutions and in central government jobs for people from economically weaker sections.one hundred and fourth amendment2020Reservation of seats for SCs and STs in the Lok Sabha and state legislative assemblies was expanded.one hundred and fifth amendment2021It revived the power of state governments to identify socially and educationally backward classes (SEBCs).one hundred and sixth amendment2023It reserves one-third of all seats for women in the Lok Sabha, State Legislative Assemblies and the Legislative Assembly of the National Capital Territory of Delhi, including seats reserved for Scheduled Castes and Scheduled Tribes.