Nirmala Joshi died on 25June 2015 in Kolkata from a heart ailment. Many leaders of India expressed their condolences in media, including Prime Minister Narendra Modi and West Bengal Chief Minister Mamata Banerjee. Nirmala Joshi Nirmala Joshi, M.C. (23 July 1934 – 23 June 2015), better known as Sister Nirmala, was a Catholic Religious Sister who succeeded Nobel laureate Mother Teresa as the head of her Missionaries of Charity and expanded the movement overseas. After taking over the charity following Mother Teresa’s death in 1997, Nirmala expanded the organisation’s reach to 134 countries by opening centres in nations such as Afghanistan, Israel
Sellappan Nirmala Medical Research, which told the prime minister Rajiv Gandhi and Tamil Nadu health minister H. V. Hande. HIV subsequently became an epidemic in the country. Nirmala submitted her dissertation, "Surveillance for Aids in Tamil Nadu", in March 1987 and later joined the King Institute of Preventive Medicine and Research in Chennai. She retired in 2010. Sellappan Nirmala Nirmala Sellappan (born 1952 or 1953) is an Indian doctor who discovered the first case of HIV in India in 1986. In 1985, aged 32, she was working as a microbiology student in Chennai (Madras) and for her dissertation, began collecting blood samples