Samsung — Samsung Galaxy M30S Service Issue

Samsung Service request No: [protected],
Hi, I Gave my cell Phone ( Model Galaxy M30S) on 19.02.2022 for service. Then No Bulge and No fitment issue.
Service Centre: will check and let you know the Detail
service Centre: Little Bit Water entered into the Phone. Mother board Need to be changed Cost of mother Board around Rs. 2700.00
Service centre: No, Charger board also to be changed, Total cost will be Rs. 5500 to 6000.
Me: No Not required to service
Next day Service Centre: Sir, it will cost only 3000 to 3500.
I said: OK
after 2 days: No sir, it cost 5500 to 6000.
I said: No and return my phone

when collected my phone battery is bilged like anything, also its damaged
screen and back cover.

Service Guuys Damaged my phone, i want replacement,