The correct option is A Rajgarh
Shivaji celebrated his coronation in 1674 CE at Rajgarh. On 6th June 1674 CE, Shivaji's coronation was performed according to the Shastras by Vishweshwar, also called Gaga Bhatta, of Varanasi. After that, he was called as Chhatrapati Shivaji Maharaj.