• 7th Amendment (1956) – States Reorganisation Act 1956 on the linguistic basis and abolition of Class A, B, C, D states.
• 14th Amendment (1962) – Pondicherry incorporated into the Indian Union after transfer by France.
• 31st Amendment Act (1973) – Increased the elective strength of the Lok Sabha from 525 to 545. Under the Act, the upper limit of the representatives of the States goes up from 500 to 525 and that of the Union Territories decreases from 25 to 20.
• 36th Amendment (1975) – Sikkim included as an Indian State
• 42nd Amendment Act(1976)– Fundamental Duties Prescribed, It is known as “mini-Constitution” or the “Constitution of India”. It is due to the 42nd Amendment to the Indian Constitution that India became a Socialist, Secular and Democratic Republic. Changes were made to almost every part of the Constitution which includes the Preamble too. It was enacted during the period of internal emergency. It was passed by Parliament on November 11, 1976 and received Presidential assent on December 18, 1976.
• 44th Amendment Act (1978) – Right to Property deleted from the list of fundamental rights.
• 52nd Amendment (1985)- Defection to another party after election made illegal.
• 55th Amendment Act (1987) – It grants Statehood to Arunachal Pradesh which consequently became the 24th State of the Indian Union.
• 56th Amendment Act (1987) – It confers Statehood on Goa and forms a new Union Territory of Daman and Diu. Goa thus became the 25th State of the Indian Republic.
• 61st Amendment (1989)- Voting age reduced from 21 to 18
• 73rd Amendment (1993) – Introduction of Panchayati Raj, the addition of Part IX of the Constitution.
• 74th Amendment ( 1993) – Introduction of Nagarpalikas and Municipalities
• 86th Amendment (2002) – Right to Education(Free and compulsory education to children between 6 and 14 years)
• 101st Amendment (2016) – Introduction of GST,under this amendment, the Goods and Service Tax was introduced in India on July 1, 2017.
• 102nd  Amendment -Constitutional status to the National Commission for Backward Classes on11 August 2018.
• 103rd Amendment–  (12 January 2019) A maximum of 10% Reservation for Economically Weaker Sections of citizens of classes other than the classes mentioned in clauses (4) and (5) of Article 15, i.e. Classes other than socially and educationally backward classes of citizens or the Scheduled Castes and Scheduled Tribes. Inserted Clause [6] under Article 15 as well as Inserted Clause [6] under Article 16.

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