If you mean Muni Shri 108 Praman Sagar Ji Maharaj, he is a Digambara Jain monk and a disciple of Acharya Shri 108 Vidyasagar Ji Maharaj. He was born as Navin Kumar Jain on 27 June 1967 in Hazaribagh, Jharkhand, and took Muni Diksha on 31 March 1988 at Sonagiri. ( jainmunilocator.org)
Explanation
He is known in Jain circles for his pravachans, shanka-samadhan, and Jain writings, and his official website describes him as sharing Jain principles in a simple and clear way. ( munipramansagar.net)
Takeaway
So, “Paranmsagar” is most likely a misspelling of Praman Sagar. ( jainmunilocator.org)