Panchu Arunachalam was born on 18 June 1941 in Karaikudi. He entered into Tamil industry in the year 1979. He produced first film Aarilirunthu Arubathu Varai. He was mentored by Kavignar Kannadasan who was his uncle. He started producing films under his production banner named P. A. Arts. His son Subbu Panchu Arunachalam is an actor in the Tamil film industry. He is a director, producer, writer and lyricist.