Where to Find the details
asking the basic question on VAT after so many year of implementation is still a guess work, Govt. Karnataka does provide the information but a few know where to look for it..
Step 1: go to http://18.104.22.168/vat3/ ie vat.kar.nic.in
Step 2: Login with the user credential
Step 3: Click "Purchase" > "Interstate" > "Upload"