Complex sentence: In 1605 AD, the name of the city Bhaganagar, i.e. after Bhagamati was converted in Muslim religion and was named as Begum Hyder Mahal, the name of the city was named as, Hyderabad.after her.
Split into simpler sentences: In 1605 AD, the name of the city Bhaganagar, was changed to Hyderabad. After Bhagamati was converted to Muslim religion, the name of Bhagamati was changed and was named as Begum Hyder Mahal The name of the city was named as, Hyderabad.after her.