| Schedule |
Features |
| 1st Schedule |
The list of states and union territories. |
| 2nd Schedule |
Provisions of the President, Governors, Speaker, Deputy Speaker, Chairman, Deputy Chairman, Judges, and Comptroller and Auditor-General of India. |
| 3rd Schedule |
The Forms of Oaths or Affirmations. |
| 4th Schedule |
Provisions as to the allocation of seats in the Council of States. |
| 5th Schedule |
Provisions as to the Administration and Control of Scheduled Areas and Scheduled Tribes. |
| 6th Schedule |
Provisions as to the Administration of Tribal Areas in Assam, Meghalaya, Tripura, and Mizoram. |
| 7th Schedule |
The Union list, State list, and Concurrent list. |
| 8th Schedule |
The list of recognized languages. |
| 9th Schedule |
Provisions as to validation of certain Acts and Regulations. |
| 10th Schedule |
Provisions as to disqualification on grounds of defection. |
| 11th Schedule |
The powers, authority, and responsibilities of Panchayats. |
| 12th Schedule |
The powers, authority, and responsibilities of Municipalities. |
| Constitutional Amendment Act |
Year |
Key Provisions |
| 1st CAA |
1951 |
Special provisions for backward classes; added Ninth Schedule to protect land reforms; restricted Article 19(1). |
| 7th CAA |
1956 |
Reorganized states (14 states, 6 UTs); introduced common High Court for states. |
| 9th CAA |
1960 |
Ceded Berubari to Pakistan via Indo-Pak Agreement. |
| 14th CAA |
1962 |
Incorporated Puducherry into India; legislatures for certain UTs. |
| 24th CAA |
1971 |
Affirmed Parliament's power to amend the Constitution. |
| 26th CAA |
1971 |
Abolished privy purses of princely states. |
| 35th CAA |
1974 |
Made Sikkim an associate state. |
| 36th CAA |
1975 |
Made Sikkim a full-fledged state. |
| 39th CAA |
1975 |
Exempted elections of top offices from judicial review. |
| 42nd CAA |
1976 |
Added "Socialist, Secular, Integrity" to Preamble; introduced Fundamental Duties and new DPSPs. |
| 44th CAA |
1978 |
Made right to property a legal right; limited suspension of Articles 20 & 21 during emergencies. |
| 52nd CAA |
1985 |
Introduced anti-defection law; added Tenth Schedule. |
| 61st CAA |
1989 |
Reduced voting age to 18 years. |
| 69th CAA |
1991 |
Designated Delhi as the National Capital Territory. |
| 73rd CAA |
1992 |
Granted constitutional status to Panchayats. |
| 74th CAA |
1992 |
Granted constitutional status to Municipalities. |
| 84th CAA |
2001 |
Frozen Lok Sabha seat readjustments till 2026. |
| 86th CAA |
2002 |
Made elementary education a fundamental right (Article 21A). |
| 89th CAA |
2003 |
Created separate commissions for SCs and STs. |
| 97th CAA |
2011 |
Added the right to form cooperative societies. |
| 99th CAA |
2014 |
Proposed NJAC for judicial appointments (struck down in 2015). |
| 100th CAA |
2015 |
Implemented the Land Boundary Agreement with Bangladesh. |
| 101st CAA |
2017 |
Introduced GST. |
| 102nd CAA |
2018 |
Granted constitutional status to NCBC. |
| 103rd CAA |
2019 |
Provided 10% EWS reservation. |
| 104th CAA |
2020 |
Extended SC/ST reservation in legislatures. |
| 105th CAA |
2021 |
Empowered states to list SEBCs. |
| 106th CAA |
2023 |
Provided 33% reservation for women in legislatures, including SC/ST seats. |
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