LG
Fridge not working properly

I am sreenivas R/o Falt no 306 Surya teja apts behind the krishnaveni school KPHB colony HYderabad. I buyed recently a refreezrator of 608 ltrs. it is creating so much problem.there is over freezind in refreezrator side. I had complaint many times. but there is no responce.please help me out this problem.

ph no 9866314800