Gummadi Vittal Rao, the renowned folk singer and revolutionary balladeer popularly known as Gaddar, passed away on August 6 at the age of 77 while recovering from a bypass surgery at a private hospital in Hyderabad.

Gummadi Vittal Rao, the renowned folk singer and revolutionary balladeer popularly known as Gaddar, passed away on August 6 at the age of 77 while recovering from a bypass surgery at a private hospital in Hyderabad.