Indian devotees pray around the Mother's Tomb at the Missionaries of Charity House on the eve of the canonisation of Mother Teresa in Rome, in Kolkata on September 2, 2016. As the Vatican prepares to declare Mother Teresa a saint on September 4, in the Indian city where she rose to fame, claims of medical negligence and financial mismanagement at her care homes threaten to cloud her legacy. / AFP PHOTO / Dibyangshu SARKARDIBYANGSHU SARKAR/AFP/Getty Images

Indian devotees pray around the Mother's Tomb at the Missionaries of Charity House on the eve of the canonisation of Mother Teresa in Rome, in Kolkata on September 2, 2016. As the Vatican prepares to declare Mother Teresa a saint on September 4, in the Indian city where she rose to fame, claims of medical negligence and financial mismanagement at her care homes threaten to cloud her legacy. / AFP PHOTO / Dibyangshu SARKARDIBYANGSHU SARKAR/AFP/Getty Images

An Indian nun from the Catholic Order of the Missionaries of Charity reacts at the Mother House on the eve of the canonisation of Mother Teresa in Rome, in Kolkata on September 2, 2016. As the Vatican prepares to declare Mother Teresa a saint on September 4, in the Indian city where she rose to fame, claims of medical negligence and financial mismanagement at her care homes threaten to cloud her legacy. / AFP PHOTO / Dibyangshu SARKARDIBYANGSHU SARKAR/AFP/Getty Images

Indian devotees pray around the Mother's Tomb at the Missionaries of Charity House on the eve of the canonisation of Mother Teresa in Rome, in Kolkata on September 2, 2016. As the Vatican prepares to declare Mother Teresa a saint on September 4, in the Indian city where she rose to fame, claims of medical negligence and financial mismanagement at her care homes threaten to cloud her legacy. / AFP PHOTO / Dibyangshu SARKARDIBYANGSHU SARKAR/AFP/Getty Images

In this photograph taken on August 15, 2016, Sister Lysa a senior nun from the Catholic Order of the Missionaries of Charity gestures during an interview at The Mother House in Kolkata. As the Vatican prepares to declare Mother Teresa a saint on September 4, in the Indian city where she rose to fame, claims of medical negligence and financial mismanagement at her care homes threaten to cloud her legacy. / AFP PHOTO / Dibyangshu SARKARDIBYANGSHU SARKAR/AFP/Getty Images

In this photograph taken on August 15, 2016, Sister Lysa a senior nun from the Catholic Order of the Missionaries of Charity gestures during an interview at The Mother House in Kolkata. As the Vatican prepares to declare Mother Teresa a saint on September 4, in the Indian city where she rose to fame, claims of medical negligence and financial mismanagement at her care homes threaten to cloud her legacy. / AFP PHOTO / Dibyangshu SARKARDIBYANGSHU SARKAR/AFP/Getty Images

In this photograph taken on August 15, 2016, Sister Lysa a senior nun from the Catholic Order of the Missionaries of Charity gestures during an interview at The Mother House in Kolkata. As the Vatican prepares to declare Mother Teresa a saint on September 4, in the Indian city where she rose to fame, claims of medical negligence and financial mismanagement at her care homes threaten to cloud her legacy. / AFP PHOTO / Dibyangshu SARKARDIBYANGSHU SARKAR/AFP/Getty Images

In this photograph taken on Augist 28, 2016, Indian polio survivor Gautam Lewis looks on as he attends The Mother Teresa International Film Festival (MTIFF) in Kolkata. As the Vatican prepares to declare Mother Teresa a saint on September 4, in the Indian city where she rose to fame, claims of medical negligence and financial mismanagement at her care homes threaten to cloud her legacy. / AFP PHOTO / Dibyangshu SARKARDIBYANGSHU SARKAR/AFP/Getty Images