1966 in India

Events in the year 1966 in the Republic of India.

Incumbents

3 January – Prime Minister of India Lal Bahadur Shastri and President of Pakistan Ayub Khan agree to the Tashkent Declaration, a peace pact mediated by the Soviet Premier Alexei Kosygin in Tashkent, Uzbek S.S.R.
11 January – Prime Minister Shastri dies of heart attack in Tashkent.
19 January – Supported by provincial Congress chief ministers, Indira Gandhi becomes prime minister.
24 January - Air India Flight 101 crashed into Mont Blanc killing the 117 passengers including Homi J. Bhabha who was in the flight. There was a similar aviation accident in the same spot in 1950.
5 March - Indian Air Force bombs Aizawl following Mizo National Front uprising.
28 March – Indira Gandhi visits Washington, D.C.
20 April – Lumding Train Bombing occurs on the North-East Frontier Railway.

6 June - First Indira Gandhi ministry devalues Indian rupee by 57%.
10 June - President of India promulgates Jayanti Shipping Company (Taking Over of Management) Ordinance, 1966 to take over shipping company owned by Jayanti Dharma Teja.
19 June: Shiv Sena founded by Bal Thackeray.
12 July – Indira Gandhi visits Moscow.
7 November - 1966 anti-cow slaughter agitation and ensuing violence took place.
17 November – Reita Faria, [Eve's Weekly Miss India] is crowned Miss World 1966, the first Indian to win the title.

27 August – Eighteenth Amendment of the Constitution of India takes effect.
11 December – Nineteenth Amendment of the Constitution of India takes effect.
22 December – Twentieth Amendment of the Constitution of India takes effect.
29 December – Enactment of Seeds Act, creating central administration to oversee and certify seeds.

3 January – Chetan Sharma, cricketer
11 January – Sunil Kumar Mahato, politician, assassinated (d.2007).
22 January - Kesineni Srinivas, politician and member of parliament from Vijayawada.
28 January – Anjani Kumar, 1990 batch IPS officer
22 February – Babu Antony, actor and martial artist.
24 March - Galla Jayadev, politician and member of parliament from Guntur.
30 March – Vikraman, film director.
17 April – Vikram, actor.
3 May – Firdous Bamji, actor.
15 May – M. Kumaran, politician.
30 May – Rajinder Garg, politician.
8 July – Revathi, actress.
14 July – Sachin Puthran, entrepreneur.
28 August – Priya Dutt, politician.
1 September - Sonam Wangchuk, Indian engineer, innovator and education reformist.
12 September - Pramod Kureel, politician
26 September - Pujya Gurudevshri Rakeshji, Spiritual leader
24 October – Nadhiya, actress.
30 October – K. V. Anand, cinematographer and film director (d. 2021)
28 November – P. Ravi Shankar, actor, dubbing artist, director and writer.
5 December – Dayanidhi Maran, politician.

11 January – Lal Bahadur Shastri, politician and 2nd Prime Minister of India (b. 1904).
Devarakonda Balagangadhara Tilak, poet, novelist and short story writer (b. 1921).
24 January – Homi J. Bhabha, Indian nuclear physicist.
26 February - Vinayak Damodar Savarkar, Indian Freedom Fighter (b. 1883).