MakeMyTrip India — rate issue

I have checked the Hotel Country inn & suites by Radisson, Candolim Goa on make my trip dated on 27th September 2019.That time rate were sowing 4678 per night and total cost of three night is 19657 with tax. And next day 28th September 2019 when I booked the same room the price was increased I have paid the total cost 21100 for three night. After the booking I checked the same room in evening same day and next day 29th September 2019. Rate are decreased again with 4678 and total cost of three night 19657.I also attached the snap shot dated on 29th September and also shared the same day per required by YASH AGENT.I am sure you are tracking everything via Application, as per my experience I never to seen rate are dynamic in lower side its always dynamic in upper side.You have charged 1443 extra. Please refund the same.