90 years to consolidate the Muslim power in Andhra country with the capture of Gandikota in 1652. Kamma nayaks migrated in large numbers to the Tamil region. During the Golkonda period, the Sayapaneni Nayaks (1626-1802) ruled Dupadu region as vassals of the Golkonda sultans [52] [53] . Gangappa Nayudu, Venkatadri Nayudu