Panchu Arunachalam is an Indian producer and writer. He has given his contribution to the Tamil film industry. He owned the production house P. A. Arts. Most of his pictures were released under the banner of his production house. He worked in more than 100 movies as a writer and had written songs for more than 200 movies. He was born in Tamil Nadu. His father the elder brother of Tamil poet and lyricist Kannadasan. He made his first directorial debut from the movie Manamagale Vaa in 1988. The movie starred Prabhu in the lead role. The movie was a huge hit at the box office. The movie was further remade in the Telugu language as Idem Pellam Baboi. In 1990, he directed Puthu Paatu. The movie was produced by Ilayaraja. It movie featured Rajeev, Suma, Vaidegi, and Ramarajan in the lead roles. In 1992, he directed Thambi Pondatti and starred
, Sukanya, Rahman,
in lead roles. His other directed movies include Son Nathan Seiven, Enna Thavam Seithen, Nadagame Ulagam and Kalikala. He has served as a producer for many movies. In 1979, he produced Aarilirunthu Arubathu Varai by SP. Muthuraman. Rajinikanth played the lead role in the movie along with Jayalakshmi, Sangeetha, Thengai Seenivasan, and Cho. The movie ran for around 175 days in the theaters. In 1982, he produced the movie Enkeyo Ketta Kural, which was directed by S.P. Muthuraman. His other films include Japanil Kalyanaraman in 1985, Kalyanaraman in 1979, Michael Madhana Kamarajan in 1991, Solla Marandha Kadhai 2002, his last produced movie was
in 2007. As a writer, he has been a part of more than 100 movies.
His first movie as a writer was Mangamma Sapatham in 1974. His next work was for the movie Mayangukiral Oru Maadhu, which was directed by S. P. Muthuraman. The movie starred Sujatha, R. Muthuraman, Vijayakumar and
. The movie was remade in Kannada as Baalu Jenu and Telugu language as Yavvanam Katesindi. In 1978, he wrote for Vatathukkul Chadhuram, which was directed by S. P. Muthuraman. The film was based on the theme of friendship between the lead characters Anu and Malathy which were played by actress Latha and Sumithra. His other films include Niram Maaratha Pookkal in 1979, Ullasa Paravaigal in 1980, Japanil Kalyanaraman in 1985, Athisaya Piravi in 1990, Mayabazar in 1995 his last movie as a writer was Chanakya in 2005 by A. Venkatesh. He has been the lyricist for movies like Annakili, Ullasa Paravaigal, and Aarilirunthu Arubathu Varai. His son Subbu Panchu Arunachalam also works in the Tamil film industry. In 2011 Panchu Arunachalam celebrated his 70th birthday with the industry. Many Kollywood and Tollywood stars were present to give their wishes to him. The event was held in Chennai and stars like
, Rajinikanth, Surya, SA Chandresekaran and much more were present at the celebration.