Spiritual leader Dada JP Vaswani of the Sadhu Vaswani Mission passed away on Thursday morning in Pune. He was 99 years old. Sadhu Vaswani Mission took to Twitter and shared the official statement. Born in Hyderabad, Sindh (Pakistan) on August 2, 1918, Vaswani was a world-renowned spiritual leader known for promoting vegetarianism and animal rights. He is credited to have written over 150 self-help books.