Prime Minister Narendra Modi on Tuesday extended his deepest condolences to the Missionaries of Charity family on the passing away of Sister Nirmala.
"Sister Nirmala's life was devoted to service, caring for the poor and underprivileged. Saddened by her demise. May her soul rest in peace," he tweeted.
"My deepest condolences to the Missionaries of Charity family on the passing away of Sister Nirmala," he added.
Nirmala Joshi, better known as Sister Nirmala had replaced Mother Teresa as the superior general in 1997.
Born to a Brahmin soldier in Ranchi hailing from Nepal, Sister Nirmala had joined the Order at the age of 17.
She was later succeeded by German-born Sister Mary Prema.