Important Amendments

Amendment Year Importance
7 1956 Reorganisation of states on linguistic basis
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
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.
96 2011 Substituted Odia for Oriya in the Eighth Schedule to the Constitution
99 2014 National Judicial Appointments Commission
100 2015 Land Boundary Agreement (LBA) between India and Bangladesh.

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.