Kochi: Renowned playback singer Paliyath Jayachandran, affectionately called ‘Bhava Gayakan’ for his soulful renditions, passed away in Thrissur yesterday.  He was 80. Jayachandran, who was unwell for quite some time died around 7.55 pm while undergoing treatment at a private hospital here, hospital sources said. He was taken to the hospital after collapsing at his…