Vat

I think you have to pay tax on sale along with vat on purchase, because of purchasing from the unregistered dealer.

If purchases from unregistered dealer by a register dealer than liability of tax on purchased goods will be on buyer.  This is as per the Karanataka vat Act.

Regards

Dayananda

Thank 

but i want to know for UP vat act as i do the contract at noida and my company situated at Gurgaon(haryana)

Refer section 5 of UP vat act as per which liability tax is on buyer it he has purchased goods from unregistered dealer with some exception on non vat goods

Regards

Dayananda