sa vai purvam abhud raja
indradyumna iti khyato
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
This Gajendra had formerly been a Vaisnava and the king of the country known as Pandya, which is in the province of Dravida [South India]. In his previous life, he was known as Indradyumna Maharaja.