1. Need to be calculate sales value with category wise like sale 5%, sale 13.50%, interstate sale and arrive the out put VAT
2. Need to be calculate the category wise purchase like local purchase, inter state purchase and compute the input VAT
3.Calculate the difference between input and out put when the input excess out put then no need to pay further tax otherwise need to pay vat by challan
4. after payment fill the respective return form and upload online
5. for CST no input output concept the total sale under cst the cst amount need top pay and file Form 1