Former Mumbai police commissioner and BJP candidate from Baghpat, Satyapal Singh, was today manhandled by unidentified men at a polling station here, police said. Singh had gone to Malakpur polling booth in Badaut police station area to take stock of the ongoing voting process. As he objected to certain activities at the polling booth, one of those present manhandled him leading to a clash, SP Jitendra Kumar Shahi said.