Now raise a complaint to Hitachi customer care in just six clicks from your phone. Download the app, open the website, and click the “Book Service'' button. Select the product type from the appliances category section (AC, air purifier, refrigerator, etc.) for which you want to avail of the service. Please select Hitachi from the brand options. Mention the issue in the appliance you want to get fixed. Fill in your address, choose a date of the appointment at your convenience, and register your complaint.