A Tamil film director, who duped a businessman of Rs 6 lakh, saying he could double his money, was arrested on Monday. Filmmaker P Ravikumar and his two associates — V N Natrajan and A Periyaswami — were arrested at a hotel in Grant Road on Monday.

The complainant Balaji Nadar (29), who owns a courier company, said, in his statement, that he was introduced to Ravikumar (38) through his friend Selvan Kodar (37), who is the director’s bodyguard.