| The Constitution (Eighteenth Amendment) Act, 1966 | |
|---|---|
| Parliament of India | |
| |
| Citation | 18th Amendment |
| Territorial extent | India |
| Passed by | Lok Sabha |
| Passed | 10 August 1966 |
| Passed by | Rajya Sabha |
| Passed | 24 August 1966 |
| Assented to | 27 August 1966 |
| Commenced | 27 August 1966 |
| Legislative history | |
| First chamber: Lok Sabha | |
| Bill title | Constitution (Twentieth Amendment) Bill, 1966 |
| Introduced by | C. R. Pattabhi Raman |
| Introduced | 25 July 1966 |
| Status: In force | |
The Eighteenth Amendment of the Constitution of India, officially known as The Constitution (Eighteenth Amendment) Act, 1966, amended article 3 of the Constitution in order to clarify the "State" in clauses (a) to (e) of that article (but not in the proviso) include "Union territories". It also added another "Explanation" that the power conferred on Parliament by clause (a) includes the power to form a new State or Union territory by uniting a part of any State or Union territory to any other State or Union territory.