Venkatrama & Co., (Eluru) Telugu Calendar 2013 with Festivals and Holidays.
Panchanga Karthalu: Keertiseshulu Brahmasri Tangirala Purnaiah Siddanthi gari Kumarulu Sri Tangirala Venkata Krishna Somayaji Siddanthi, Sri Seshachala Sastri Siddanthi, Relangi, West Godavari District, Andhra Pradesh. Publishers: Venkatrama & Co., Educational Puglishers, Book Sellers, Eluru-2. Agencies: Tadepalligudem, Vijayawada, Hyderabad.