Namantar hails from Ahmedpur (Latur) of Maharashtra State in India. He holds a Bachelor's in Electronics Engineering and a Master's in Theater Arts from Mumbai University. His experience as an actor begins with Marathi theater. While working extensively on amateur stage for 7 years, alongside acting, he directed a number of full-length and one-act plays and enjoyed success in acting, direction as well as other theater crafts viz. set and light designing. He could contribute to the production of more than 5 plays. He started pursuing his professional career as an actor in 2016. From then onward, he has played lead / significant characters in numerous Plays and TV Shows.