Complex sentence: His son Yuvraj (Crown Prince) Karan Singh was elected'Sadr-e-Riyasat' ('President of the Province') and Governor of the State in 1964 and is the present titular Maharaja of Jammu and Kashmir.
Split into simpler sentences: His son Yuvraj (Crown Prince) Karan Singh was elected'Sadr-e-Riyasat' ('President of the Province') and Governor of the State in 1964. His Highness Dr. Karan Singh is the present titular Maharaja of Jammu and Kashmir.