Kunjunni was born in the village of Valapad in Thrissur to Njayapilly Illathu Neelakantan Moosath and Athiyarathu Narayani Amma. Kunjunni started his career as a teacher at the Chelari school. He joined Sree Ramakrishna Ashram High School in Kozhikode in 1953 and retired from teaching in 1982.
His major works include Oonu Thotturakkam Vare, Pazhamozhi Pathayam, Kunjunniyude Kavithal, Kadankathal, Vithum Muthum, Kutti Pencil, Namboodiri Phalithangal, Raashthriyam, Kuttikal Padunnu, Undanum Undiyum, Kutti Kavithakal, Kalikoppu, Pazhanchollukal, Pathinanchum Pathinanchum, Aksharathettu, Nonsense Kavithakal, Muthumani, Chakkarappava, Kadalippazham, Kalikkalam and Kunjunni Ramayanam. His autobiography,Enniloode, is noted for its candour, humour and simplicity.
Translation of Bhagavathgeetha by Vaikom Unni. ഭഗവദ്ഗീതയുടെ ഒരു സ്വതന്ത്ര പരിഭാഷ – വൈക്കം ഉണ്ണി
Malayalageetha-Chapter 01-Part 01-Vaikom unni, Malayalageetha Chpter 01 Part 02-Vaikom unni, Malayalageetha-Chapter 02-Part 01-Vaikom unni, Malayalageetha-Chapter 02- Part 02-Vaikom unni, Malayalageetha Chapter 02-Part 03-Vaikom unni. Malayalageetha-Chapter 03-Part 01-Vaikom unni Malayalageetha-Chapter 03- Part 02-Vaikom unni. Malayalageetha-Chapter 04-Part 01. Vaikom Unni.