Mir Osman Ali Khan was the son of Mahboob Ali Khan. Born on 6th April 1886, he ascended the throne as seventh Nizam in 1911. He was a scholar in many languages. After assuming the charge, he continued the process of modernisation of Hyderabad. It is said that, financial stability of Hyderabad State was achieved during his tenure. There was a rapid industrialisation in Hyderabad State during his period. Omania University, Osmania Medical College, High court, Assembly and many more marvel buildings were constructed during his tenure. His rule witnessed the growth of Hyderabad economically and culturally. Electricity, railways, roads and airways were developed. Major Irrigation projects were also taken up. During his reign, Police Action on Hyderabad State has taken place and it was merged into Indian Union. He was the last Nizam.