Amazon's India head and three other persons have been booked after a customer claimed to have received a soap instead of a mobile phone that he had ordered from the e-commerce giant, police said Tuesday.

The case was registered at the Bisrakh police station in Greater Noida Monday, they said. The company, however, said it takes all incidents of frauds seriously and was extending cooperation to police. "A matter has been reported from Bisrakh police station area.