No update on my booked Custom Himalayan 450. Any ideas??

Booked my Custom Himalayan 450 on May 2nd. Tentative delivery date was June 23rd and Customer Promised Date was June 26th but the tentative delivery date has changed thrice in last 3 weeks and now shows September 1st. There has been no update on the bike and the booking amount, as mentioned by the dealership, is also non-refundable as it is a custom order

Customer Support just plays the escalation game saying that the issue has been escalated to dealership. Dealership just says that since it is a custom order they cannot do anything until the company dispatches the bike.

Any ideas what can be done to get the bike asap?