Original: The capital and principal city was Patiala, and the last Maharaja of Patiala, Yadvindra Singh, served as Rajpramukh (equivalent to the Governor) of the state during its short existence.
Simplified: The capital and principal city was Patiala, and the last Maharaja of Patiala, Yadvindra Singh, served as Governor of the state during its short existence.