The complaint lodged by Saravanakumar stated that he had taken the ornaments from a bank locker and kept them on the rear seat along with some cash and gone to have food this afternoon in a hotel on Avanashi Road in the city, police said.
However, the ornaments and cash were missing, when he returned, he said.
Based on the complaint, police are investigating both on the authenticity of claim and those behind the theft, they said.