The "Great" Gama (ca.1880 - May 22, 1963) also known as "Gama Pahelvan" and "Lion of the Punjab", born Ghulam Muhammad, in Amritsar, Punjab, British India, was a renowned wrestler, warrior and a practitioner of Pehlwani wrestling. He was awarded the Indian version of the World Heavyweight Championship on October 15, 1910. To this date he is the only wrestler in history who remained undefeated his whole life which was substantial, as his career had spanned more than 50 years. He has been billed as the greatest Pehlwani wrestler in history. After India's independence in 1947, Gama moved to Pakistan. Kulsoom Nawaz, the wife of Nawaz Sharif is the grand-daughter of Gama.
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Source: pahelwani.com