A. K. Sajan is a Malayalam screenwriter and director who is best known for his directorial debut Stop Violence (2002). The movie had debutant Prithviraj Sukumaran and Chandra Lakshman in the lead roles. He is also best known for scripting many superhits in the industry, His notable works are Dhruvam (1993), Butterflies (1993 film) , kashmeeram (1994)Crime File (1999) Chinthamani Kolacase (2006).*Nadiya Kollappetta Rathri (2007). Wherein *Chinthamani Kolacase (2006) is considered to be his finest work till date. His brother AK Santhosh is also a script writer and have scripted various movies like sooryaputhran, minnaminuginum minnukettu, and a tamil - malayalam bilingual movie vande matharam.