 During 1948–49, he served as Vice-Chancellor of Osmania, appointed by the Governor of Andhra Pradesh.After the Partition of India led to the independence of Pakistan in 1947, at the request of the Government of Pakistan, Siddiqui migrated to Karachi, Pakistan in 1950, along with some of his family.His brother Zakiuddin and one of his sisters, Sajida Begum, remained in Hyderabad, India with their families and parents.