ANANTAPUR: Actor Nandamuri Taraka Rathna suffered a massive heart attack and fell down while in Nara Lokesh’s padayatra in Kuppam on Friday. Taraka Rathna, who had visited Paritala Ghat a couple of days ago to offer tributes to slain Paritala Ravindra at Venkatapuram in Ramagiri mandal of Satya Sai district, reached Hindupur on Thursday. On Friday morning, Taraka Rathna along …