He propagated a tradition started by Guru Gobind Singh: Nirmala. Raja Mrigendra Singh, a son of Late Maharaja Bhupendra Singh of the erstwhile royal family of Patiala, passed away on March 24, 2014 at the age of 85. He was brother of Yadavindra Singh, the last Maharaja of Patiala. He left much writing and recordings to be studied.
