Great Eastern Appliances — tanima sarkar misbehave with customer

I somenath chakroborty i have buy one refrigerator from satragachi branch being invoice no sg/1718/sa/02188 and they failed to deliver by their committed to delivery with in 10 days. I have called at technocity at phone number [protected] one lady hold the phone and talk in a rough manner after that i have asked her name and i have told when i will get the refrigerator she told i didnot know if you want you can cancel the order and give slangs. So i want to take a serious step against her. I want to told to great eastern that this lady will not grow the sale if she want then she didnot talk like this.
Please rusticate tanima sarkar from great eastern appliances.