1800 102 2673 is the toll free number using which you can get in touch with Bose Audio customer care department. Please note that the number is open from 9am to 9pm Monday to Saturday and closed on Sundays. You can call the Bose toll free number for any queries, concerns or complaints regarding Bose products. For warranty issues, please keep the invoice and model number of your product handy. This will help the CC agent to help you in a faster and better manner.
Alternate number: Sorry, we do not have an alternate number for Bose Audio. You will have to use the phone details mentioned above.
You can also write to Bose email support on the above given email address. Email support will usually get back to you within 2 days. Please mention your issue in detail so that you dont have to go back n forth in an email thread.