Samsung - Refrigerator — Complaint against Service

I bought a refrigerator from Samsung authorised dealer JANUS ELECTRONICE, Ghaziabad on 07/05/2006.
After date of purchase fridge did not work properly or any problem are stands after service. After that if I complaint on customer care the executive tell that company's Engineer comes in 2-3 days after and comes after many time I call in customer care.

The Engineer rectifies the problems temporarily. For rectifying he charge some amount for service & he did not give any bills against the payment.

These are some complaint no.s
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Company service is not satisfactory.