Forty three LPG regulators were seized from YSR Congress office at Yerraguntla by election observer Lakshman Kumar on Friday, on a tip-off that they were meant for distribution to voters, Kadapa DSP C. Rajeswar Reddy told newsmen in Yerraguntla police station. A case was registered on Sudarshan, an employee working in the YSRC office, the DSP said.