By Maneesh MediaS Janaki biography: S. Janaki, also known as Janaki Amma and the Nightingale of South India, was one of Indian cinema's most loved playback singers. Born on 23 April 1938 in Pallapatla, Andhra Pradesh, she sang across Telugu, Tamil, Kannada, Malayalam and many other Indian languages. S. Janaki passed away on 11…