Gandhi attended St. Columba's School, Delhi before entering The Doon School in Dehradun, Uttarakhand from 1981 to 1983. Meanwhile, his father had joined politics and became the prime minister on 31 October 1984 when Indira Gandhi was assassinated. Due to the security threats faced by Indira Gandhi's family from Sikh extremists, Gandhi and his sister, Priyanka were home-schooled thereafter.