A prolific writer, Warrier's works covered the genres of poetry, drama, travelogue, translation, children's literature and science.
Subsequently, he had a short stint at Madras Christian College, too, before joining Mathrubhumi in 1952 as a member of its editorial board where he stayed until he was selected as the founder director of Kerala Bhasha Institute in 1968.
[5] Warrier was married to Palakkattu Kattukulath Puthan Warriath Lakshmikutty Warasyar, the marriage taking place in 1948, and the couple had 3 daughters, Usha, Parvathy and Vani, all of them medical doctors.
[7] He was the author the Kerala Sahitya Akademi Award winning Gandhiyum Godseyum, a poem where he positioned Mohandas Gandhi and Nathuram Godse in various situations in the post-independent India for commenting on the socio-political state of affairs.
[8] Besides other poetry anthologies like Kochuthomman and Kalidasante Simhasanam, he also wrote literary criticisms such as Vallatholinte Kavyasilpam and a treatise in English, titled A History of Malayalam Metre.
[1] Kerala Sahitya Akademi selected Krishna Warrier for their annual award for poetry in 1970, for his work, Gandhiyum Godseyum.