Saravana Stores Furniture Branch, Madley Road, Chennai — Furniture not dispatched

Address:

Chennai, Tamil Nadu

Hi I am Vijay form chennai.I have purchased furniture and kitchen utensils for around Rs.1,25,000 in saranava stores furniture branch located at madley road, T Nagar, Chennai. All the goods have dispatched within 3 days except a sofa set. They have asked me a week time to dispatch the sofa as it is a foreign made. I handed over the responsibility to my house owner and wend for my vacation. The sofa was not delivered even after one month.
I went to the shop and asked them about the sofa. They have said that I was not payed for sofa. After an big argument they have asked me to bring my bill. Unfortunately I lost my bill. They have taken advantage of this and said sofa will not be delivered anymore for the reason is I was not payed for sofa.
I asked the bill copy stored in their invoice. They replied that there wont be any bill copy form their side. By end of the day they used to delete all the invoices happened in that day. How far is it true ?
How they are tracking their IT ?
I know they are trying to cheat me on this.

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