Yerran Naidu's son Rammohan lit the pyre set in the family's agriculture field.
Chandrababu, who was accompanied by his son Lokesh, was in tears as he bid final adieu to his closest aide.
Thousands of people from Srikakulam and neighbouring Vizianagaram district thronged Nimmada and paid homage to the departed leader, who had represented them in the Andhra Legislative Assembly and the Lok Sabha for four terms each.
Andhra Civil Supplies Minister D Sridhar Babu, MP Madhu Yashki, MLAs Nagam Janardhan Reddy and S Venugopalachari were among those who paid homage to Yerran Naidu.