Sant Nirankari Mission is a Nirankari spiritual organisation based in Delhi, India. It was founded in 1929 by Buta Singh. Mata Sudiksha, the daughter of Satguru Baba Hardev Singh, is the sixth spiritual head of the Mission since 17 July 2018. History Nirankari Mission had its formal beginning on 25 May 1929, the day when Avtar Singh met Buta Singh. In 1943, Baba Buta Singh passed on his position to Shenshah Baba Avtar Singh. Baba Avtar Singh moved to Delhi after partition, where the "Sant Nirankari Mission" was created in 1948 (in 1947). He was succeeded by his son Gurbachan Singh in 1962. Baba Gurbachan Singh was assassinated,for his involvement in the Sikh massacre in Amritsar 1978, on 24 April 1980. With Baba Gurbachan Singh's last breath, he appointed his son Hardev Singh was as the next Satguru. In 2016, Mata Savinder Hardev succeeded her husband Hardev Singh after a fatal accident. In 2018, she declared her daughter Sudiksha Savinder Hardev as the sixth spiritual leader of the organization, days before she succumbed to her deteriorating health. Baba Buta Singh (1873–1943) In 1929, Baba Buta Singh established the Sant Nirankari Mission. Before his death in 1943 at Kohmari, Baba Buta Singh handed over the responsibility of spreading the holy gyan to Shehnshah Baba Avtar Singh. Shehnshah Baba Avtar Singh (1899–1969) Shehnshah Avtar Singh was born on 31 December 1899 in Latifal village of present-day Pakistan. In May 1929 he met Baba Buta Singh. In 1943, Buta Singh named Avtar Singh as successor before his death. After the 1947 Indo-Pak partition, Baba Avtar Singh established the Sant Nirankari Mandal in Delhi, India. In 1962, Baba Avtar Singh entrusted it to Baba Gurbachan Singh. Shehnshah Avtar Singh became one with Nirankari on 17 September 1969. Satguru Baba Gurbachan Singh (1930–1980) Gurbachan Singh was born on 10 December 1930 to Baba Avtar Singh and Mata Budhwanti Kaur, in Peshawar, a city in present-day Pakistan. He was married to Kulwant Kaur (Nirankari Raj Mata). Baba Gurbachan Singh took over the organization in 1962. Following a clash with Sikhs, he was assassinated, for his involvement in the Sikh massacre, in April of 1980. Satguru Baba Hardev Singh (1954–2016) Hardev Singh was born on 23 February 1954 in Delhi to Baba Gurbachan Singh and Nirankari Raj Mata Kulwant Kaur as parents. After the cold blooded assassination of Baba Gurbachan Singh in 1980, he became the next