The Shri Ram Sena performed a shuddhikaran ceremony at Haldwani's Ramlila Ground following a political rally by Congress president Mallikarjun Kharge.
Uttarakhand Congress president Ganesh Godiyal condemned the ritual as caste-based discrimination and urged the Nainital police to investigate the incident.
Congress leader Salman Soz and RJD spokesperson Priyanka Bharti termed the act a hate crime targeting a respected senior Dalit leader.