Sachidanandan was born in 1936 at Irinjalakuda in Thrissur district of Kerala.He is one of the noted living intellectuals in India. His works are noted for their philosophical flavor, historical context and their humanism. Veedum Thadavum and Jaivamanushyan won the Kerala Sahithya Academy Award. Marubhoomikal Undakunnathu won the Vayalar Award.
Sachidanandan published his first novel Alkkoottam at age 34.Other novels by him include Maranacertificate,Utharayanam,Abhayarthikal,Marubhoomikal Undakunnathu,Govardhante Yaathrakal,Vyaasanum Vighneswaranum,Apaharikkapetta Daivangal,Samharathinte Pusthakam,Vibhajanangal,Parinamathinte Bhoothangal,Dweepukalum Theerangalum.
Short stories written by Sachidanandan includes Asantham,Veedum Thadavum,Ira,Odiyunna Kurisu,Samvadam,Naalamathe Aani,Kathakal, Aatmakathakal.