Zoomcar — Lost my earphones in zoomcar

I recently had a booking with zoomcar. After completing the trip and locking the car I realised the very next day that I forgot my earphones in the car. I called zoomcar customer care and the executive promised me that they'll unlock once I reach there. I reached there the next day night and called customer care, I couldn't connect to an executive as there are no live bookings for my number. I put customer support mails to zoomcar but no response on my earphones. This is not the right way to deal with customers in lost and found. I was already irritated because of the service and condition of the car. This adds on top of it.