Sri. Ranganji  fondly called Sri Rangan Anna, is the second son of Sri Krishna Premi Swamigal. Sri Ranganji's stunning accomplishments include composition of 7000 verses in Sanskrit at the age of 13, translation of Sankara Bhashyam of Bramhasutra at the age of 18 and publication of 6 books on philosophy before the age of 25. He has committed to memory all the eight major Upanishads and most of the slokas of Ramayana at the age of 16. He is a maser story teller of Ramayanam. 

Dr. R.Rangan is a unique man of wisdom and simplicity. He was awarded Yoga-vidya-varidhi (a doctoral degree in Yoga from SVYASA, Bangalore). He also has a master  degree of management from SIMS, Pune. He is a master of Vedas, Vedic Sanskrit, Upanishads and epics. His main inspiration is Sri Rama, whom he calls as his friend, philosopher and guide.

He learnt Advaita-Vedanta in a traditional way from Sri Shivaramakrishna Shastri.  He learnt the texts of Vishishtadvaita and Dvaita schools by himself out of interest. He learnt Vyakarana and Sahitya from Sri Tirumalachari, Srirangam. He learnt Bhakti-shastras like Bhagavatam from Sri Sri Krishnapremi swamigal, Sri Balakrishnashastri and Sri Hariji, Srirangam. Ramayana is his very nature. He is a great poet who composed seven thousand verses in samskrit even at the age of thirteen. He also composed beautiful poems in Tamil and English. He has authored many books on the Vedas and other scriptures giving their meaning and practicality for the present age. He translated Shankara bhashya of Bramhasutras in Tamil at the age of eighteen. He wrote a commentary of Bhagavad Gita synthesizing the commentaries of Shankara, Ramanuja and Madhva at the age of twenty eight. He did translation for various Vedic Mantras.