Tanmay Mahendra Sutar (born on January 2, 2003) of Maharashtra, India, is titled as ‘Grand Master’ for swimming through a number of channels. He swam through five channels namely Elephanta Island to Gateway of India, Dharamtar Port to Rewas Port, Karanja Port to Mandwa Beach, Elephanta Island to Kasa Island, Elephanta Island to Belapur Port from January 17, 2020 to February 23, 2020 and achieved certificates from Maharashtra State Amateur Aquatic Association, as confirmed on February 2, 2021.