Filmmaker Kumar Ramsay, known for penning most of the Ramsay Brothers` horror films including Rishi Kapoor-starrer `Khoj`, passed away on Thursday due to cardiac arrest. He was 85.

Kumar breathed his last at his residence in Hiranandani here, his eldest son Gopal told PTI. "He passed away due to cardiac arrest, today morning around 5:30 AM. He passed away very quietly. The funeral will take place around 12 PM. We are waiting for the priest to arrive," Gopal said.