Assassination of Indira Gandhi: Indira Gandhi's blood-stained saree and her belongings at the time of her assassination, preserved at the Indira Gandhi Memorial Museum in New Delhi.
31 October – 3 November An estimated 2,700-10,000 Sikhs killed during the anti-Sikh riots in Delhi and other areas; mobs loot and damage several Sikh homes, businesses and Gurdwaras in response to the assassination of Indira Gandhi.
31 October – Birth Anniversary of Sardar Vallabhbhai Patel – The Iron Man of India. He was the one man who got 550 states and territories to form the united Republic of India.
3 December – Bhopal disaster: A methyl isocyanate leak from a Union Carbide pesticide plant in Bhopal, Madhya Pradesh, kills more than 2,000 people outright and injures anywhere from 15,000 to 22,000 others (some 6,000 of whom later die from their injuries) in one of the worst industrial disasters in history.
