A tribal man was allegedly tied to an excavator machine and beaten up over the suspicion of mobile phone theft in Chhattisgarh's Surajpur district, police said on Wednesday. Three persons have been arrested in connection with the incident, said an official. The incident took place near Mayapur village under Pratappur police station limits on Tuesday, said Kishore Kerketta, Station House Officer (SHO), Pratappur. Kalindar Ram Shandilya, the complainant, was walking towards his village Sarhari from Mayapur along the under-construction road when he was stopped by the accused at a spot where a JCB excavator was parked, he said.