Nothing by paying extra money

I was book room by paying Rs. 425 as apart payment as mentioned in OYA web site. When I reached in Hotel I seen the room was not the same room what I was seen in OYA web site and booked. It is very shabby room. So I told receptionist but he denied to give another room. so I asked for higher grade room so he was asking another Rs. 2000 and denied to debit the part payment which I was paid during booking . Dur to Covid lockdown situation I paid the additional amount 2000 and entered in new room and saw that all the bed sheets are in worn condition. Same was reported to Service boy where he denied to change then reported to receptionist then they change one bed sheet only. But in night we observed that bed sheet is in worn condition in many location. Room cleaning was also fair. Entrance to Hotel toward parking area dumped with Hotel waste. Service is also Poor. No bill provided by Hotel during check out.