Muhammed Yusuf Khan enlisted under Chanda Sahib who was then the Nawab of Arcot. While staying in Arcot he fell in love with a 'Portuguese' Christian (a loose term for a person of mixed Indo-European descent or Luso-Indian) girl named Marcia / Marsha , and married her. In 1751, there was an ongoing scuffle between Muhammed Ali Khan Wallajah, (who was the son of the previous Nawab of Arcot Anwaruddin Muhammed Khan hence the rightful claimant) and Chanda Sahib his relative and a pretender, for the throne of Arcot. The former sought the help of British and the latter the French. Chanda Sahib
Ali Qushji to the founding of Sahn-ı Seman Medrese, one of the first centers for the study of various traditional Islamic sciences in the Ottoman caliphate, Ali Kuşçu was also the author of several scientific works and textbooks on astronomy. Ali Kuşçu was born in 1403 in the city of Samarkand, in present-day Uzbekistan. His full name at birth was Ala al-Dīn Ali ibn Muhammed al-Qushji. The last name "Qushji" derived from the Turkish term "kuşçu"—"falconer"—due to the fact that Ali's father Muhammad was the royal falconer of Ulugh Beg. Sources consider him Turkic or Persian. He attended the courses of Qazi