Former Deputy Speaker of Rajasthan Assembly Ram Narayan Bishnoi has passed away after prolonged illness, family sources said here. Bishnoi (80), who was a three-time MLA of the Bhartiya Janata Party, died at a Delhi hospital yesterday. He is survived by three sons and five daughters. BJP state President Arun Chaturvedi and leader of opposition Vasundhara Raje have condoled his death. In her message, Raje said Bishnoi's death was great loss to the party. Bishnoi's body was later cremated with state honours. He was also President of Akhil Bhartiya Vishnoi Mahasabha.