He received early encouragement to play polo from his Principal, A. P. Cox, at Chopasani School and eventually joined his father’s regiment, the Jodhpur Lancers in 1937.
His team, the ‘Golden Falcons’ won all major tournaments in Egypt in 1951-52 when he was invited to play there by Vahid Yusri Pasha.
In 1955, General Rafael Trujillo invited him to play in Dominican Republic where he spent a year and visited the United States of America for the first time.
By the 1970s, Maharaj Prem had started spending considerable amount of time popularising and revitalizing polo in Calcutta, Madras and Mumbai.
Several industrial families supported him through his endeavours which included industrialists like Shyam Sunder Jalan in Calcutta, Hansraj Mariwala in Mumbai and A. C. Muthiah in Madras.
He wrote poetry in Urdu and Marwari (some of which can be found displayed at the Mehrangarh Fort, Jodhpur) and spent considerable amount of time developing schemes to bring water to his erstwhile jagir Rajlani to improve living conditions of people in the area.