ALAPPUZHA: Actor and KPAC Rajendran of Uppum Mulakum is in a critical condition. He is undergoing treatment for kidney ailments at Vandanam Medical College. Rajendran, who is in the theatre field for the past 50 years, gained attention after acting in the serial Uppum Mulakum. He is playing Kuttan Pillai of Padavalam House, father of Neelu, the main character in the serial. He had earlier said that though he is in the theatre field for the past 50 years, was identified through the serial Uppum Mulakum.