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 .