Astrologer Karunakaran is the son of Ambalavanan who was a property owner and practising astrology as a profession in Lalpettai. From his very early years, Karunakaran was very keen on astrological studies. In his 17th year, he went to Vaitheeswarankoil, took Sri Jayaraman as his preceptor, and learnt Naadi Astrology from him under Gurukula system for a period of six years. After completion of the training, he was reading naadi astrology with Vaitheeswarankoil as the base. Thereafter, he carried on that profession in places like Salem and Combatore reading Sukhar and Aghasthyar Naadis. Currently, he is in Thyagaraya Nagar, Chennai sharing his predictions through Naadi Astrology. He had predicted about the Emperor of Japan and it has come true as well.