26 January – Anti-Hindi agitations break out in India because of which Hindi does not get "National Language" status and remains one of the 2 Official Languages of India.
24 February – English is adopted as an associate language in dealings between the Central government and the non Hindi speaking states.
2 September – Kashmir is declared an "Integral Part of India" and is not a "disputed territory", later responded by the Pakistani troops entering the Indian sector of Kashmir.
6 September – Indian troops attempt to invade Lahore.
6–22 September – A full-scale Indo-Pakistani war is fought over Kashmir, which ends after a UN Security Council calls for a ceasefire on 20 September.
8 September – India opens two additional fronts against Pakistan.
^Ramakrishnan, T. (31 March 2022). "When the 'Lion of Kashmir' landed in Kodaikanal". The Hindu. ISSN 0971-751X. Retrieved 9 April 2022.
^"Did nuclear spy devices trigger Himalayan floods?". BBC News. 20 February 2021. Retrieved 16 September 2023.
^"Birthday Special: A look back at Ronit Roy's journey, that's worth penning down in golden words". The Indian Express. 11 October 2017. Archived from the original on 24 July 2019. Retrieved 12 March 2020.