Neermahal (Twijilikma Nuyung; lit. "Water Palace") is a former royal palace built by Maharaja of Tripura Kingdom Bir Bikram Kishore Manikya bahadur of the erstwhile Kingdom of Tripura, India in the middle of the lake Twijilikma (Now known as Rudrasagar) in 1930 and was completed by 1938. It is situated in Melaghar, 53 kilometers away from Agartala, the capital of Tripura. The palace is situated in the middle of Rudrasagar Lake and assimilates Hindu architectural style.

Students of Department of Education, MBB College Agartala have visited the Heritage place of the Royal Kingdom.