'Madirasi Yatra', a poetry travelogue is written by

 a) A. R Rajaraja Varma
 b) Unnai Wariyar
 c) Kodungalloor Kunjikuttan Thampuran
 d) Kerala Varma Valiya Koyi Thampuran

KSRTC-2016

Kodungalloor Kunjikuttan Thampuran