Avittom Thirunal Bala Rama Varma was a Travancore ruler from 1798 to 1810, succeeding on 12 February 1798 his uncle Karthika Thirunal Rama Varma I. His reign was a time of turmoil and internal and external problems. During his rule the rebellion of Velu Thampi (who mediated the formal alliance between Travancore and the British as Dewan) occurred. Visakham Thirunal 's wife was his great-granddaughter. During Karthika Thirunal Rama Varma I (Dharma Raja) reign, two Ranis were adopted. They were Avittom Thirunal's sisters Bharani Thirunal Parvathi Bayi, and Uthram Thirunal Umayamma Bayi. Those princesses were Chathayam Nal Mahaprabha's daughters Amma.
