Swiggy — Missing items in the Swiggy Subway order

I ordered from subway - 2 veggie delight sandwiches, 2 veg cheese toasties, and one coke.

1. The coke was missing from the order
2. The customizations I requested for sandwiches was not serviced. I did not want onions in one and tomatoes in another but both sandwiches and onions and tomatoes, both
3. The cheese toastie was stuck to the surface and was completely bad. Both the toasties were part of the same box. The heat from above damaged the lower toastie as well

I raised a complaint immediately with all the images to swiggy support and swiggy food issues email IDs. In 12 hours, they gave me a refund of Rs.30. Even the missing coke was priced higher. After this I have been following up with them over email, chat but haven't received any response. They closed my ticket and have not opened it again. Its been more than 80 hours and I have not received a redressal