2. VAT output a/c. Dr.2000 To VAT input a/c. Cr.1000 To VAT payable a/c. Dr.1000
At the end of each month/quarter (as the case may be) vat input and output is to be transferred to vat payable account. in first case there will be debit balance of vat payable account means there is vat credit available which will be utilized in next month/quarter (as the case may be), and in second case there will be credit balance means vat is payable.
after tfr this entry your vat input will be rs. 1000/-. in next month if your output is more than input then after adj. balance you have to pay balance amount.