Prabir Ghosh (born 1 March 1945) is the founder and president of Bharatiya Bigyan O Yuktibadi Samiti, a science and rationalists’ association based in Kolkata, India. He is the author of a number of books in Bengali disputing supernatural claims and is well known for his book series titled Aloukik Noy, Loukik. Books in English – Paranormal Exposed! The Mystery of Mother Teresa and Sainthood, Why I Do Not Believe in God. On 18 August 1996, the members of Bharatiya Bigyan O Yuktibadi Samiti expelled Ghosh on charges of faking a doctor’s degree and sexually assaulting female patients, But the Calcutta city court cleared all the charges against him.