 Dost Ali, the latter's successor in 1733, gifted the fort to one of his sons-in-law.Following the decline of Madurai Nayaks, and coinciding with the emergence of the British on the Madras coast, conflict developed between the Nawab and his sons-in-law.The Nawab was supported by the British and the rival claimants by the French; resulting in the Carnatic Wars.