Tiruchirapalli Srinivasan Rangarajan, professionally credited by his pseudonym Vaali (born 29 October 1931 – 18 July 2013) was an Indian poet who is the highest songs wrote lyricist in cinema and whose works were in Tamil, had a five-decade long association with the Tamil film industry, wrote over 15,000 songs. He acted in a number of films, including Sathya, Hey Ram, Paarthale Paravasam and Poikkal Kudhirai. He was honoured by the Government of India with the Padma Shri, India's fourth highest civilian honour in 2007.