Nizams kept power in Hyderabad State till _____.
Nijam dynasty is also called as Asaf Jahi Dynasty. Mir Qamar-ud-Din Siddiqi, Asif Jah I founded the Asif Jahi Dynasty in the year 1724. Seven generations of this dynasty ruled for more than 200 years. The rule continued until 17 September 1948, after which the last Nizam Mir-Osman-Ali khan had to surrender Hyderabad to Indian Union after a police action led by Sardar Vallabh Bhai Patel.