To report the issue of low voltage electricity supply in Dhehari (Jayal, Nagaur), immediately contact the JVVNL (Jaipur Vidyut Vitran Nigam Limited) customer care at 1912 (toll-free) or 18001806507, available 24x7. You can also register the complaint online through the JVVNL consumer grievance portal or mobile app by selecting “Voltage Issue/Low Voltage.” If not resolved promptly, escalate by contacting the local JVVNL subdivision office in Jayal.