S. Jagatratsakan is a prolific Tamil author and scholar, particularly known for his extensive work on classical Tamil epic and devotional literature. He has published multiple volumes related to the கம்பராமாயணம் (Kamba Ramayana), including a comprehensive three-volume set, as well as specific sections such as கிஷ்கிந்தா காண்டம் (Kishkinda Kandam), பால காண்டம் (Bala Kandam), ஆரணிய காண்டம் (Aranya Kandam), and அயோத்தியா காண்டம் (Ayodhya Kandam). He also authored கம்பராமயணம் உரைவீச்சு (Kamba Ramayanam Discourse), providing further insights into the epic. Additionally, S. Jagatratsakan has contributed to devotional literature with his work on தேவாரம்: Thirunnasambandar (Devaram - Thirunnasambandar). Many of his works are published by the Alwar Research Centre, reflecting his deep engagement with these revered texts.