IMPORTANT AMENDMENTS IN THE INDIAN CONSTITUTION

Amendment	Year	Importance
7	1956	Reorganisation of states on linguistic basis and abolition of Class A, B, C and D states and introduction of Union Territories.
9	1960	Adjustments to Indian territory as a result of agreement with Paksitan.
10	1961	Dadra, Nagar and Haveli included in Indian Union as a Union Territory on acquisition from Portugal.
12	1961	Goa, Daman and Diu included in Indian Union as a Union Territory on acquisition from Portugal.
13	1963	The state of Nagaland formed with special protection under Article 371A.
14	1962	Pondicherry incorporated into Indian Union after transfer by France.
21	1967	Sindhi added as language in the 8th schedule.
26	1971	Privy purse paid to former rulers of princely states abolished.
36	1975	Sikim included as an Indian state.
42	1976	Fundamental Duties prescribed, India became Socialist Secular Republic.
44	1978	Right to Property deleted from the list of fundamental rights.
52	1985	Defection to another party after election made illegal.
61	1989	Voting age reduced from 21 to 18.
71	1992	Konkani, Manipuri and Nepali added as languages in the Eighth Schedule.
73	1993	Introduction of Panchayati Raj, addition of Part IX to the Constitution.
74	1993	Introduction of Nagarpalikas and Municipalities.
86	2002	Free and compulsory education to children between 6 and 14 years.
92	2003	Bodo, Dogri, Santhali and Maithli added to the list of recognised languages. Service Tax introduced.
8, 23, 45, 62, 79 and 95	1960, 1970, 1980, 1989, 2000 and 2010	Extension of reservation of seats for SC/ST and nomination of Anglo-Indian members in Parliament and State Assemblies.
96	2011	Substituted Odia for Oriya in the Eighth Schedule to the Constitution
The 42nd amendment was the most comprehensive amendment which had 59 clauses and carried out so many changes that it has been described as a “Mini Constitution”.
The 52nd amendment was the only amendment to be unanimously adopted by the Parliament.