The pack is available at Rs 57 at any of the company's 13,600 outlets, 57 exclusive outlets and 268 mini-stores, the company said in statement.
"This new pack facilitates all outgoing mobile calls -- local, STD and while roaming at 1 paise per second anywhere in South India. Besides, there would be no roaming charges across the region," a company statement said.
Vodafone has about 35 million prepaid customers in Tamil Nadu, Andhra Pradesh, Telangana, Kerala and Karnataka.
"Having closely studied these customer usage patterns, Vodafone has designed the One rate, One South pack for the benefit of 35 million prepaid customers in these five states," Vodafone India Operations Director-South Suresh Kumar said.
