The Navi Mumbai police have registered a case against a motorbike showroom owner for allegedly cheating 23 customers to the tune of Rs 31.31 lakh, an official said on Wednesday.

The accused had taken advance payments from some customers, but did not deliver the vehicles to them. He had also got loans sanctioned for some customers and taken the money, but did not provide them the vehicle registration documents, an official from Nhava Sheva police station said.