https://help.tallysolutions.com/docs/te9rel60/Tax_India/VAT/West_Bengal/WB_Incr_ITC.htm

Recording Increase in Input Tax (West Bengal)

A journal voucher is recorded to adjust the increase in input tax by selecting the Nature of Adjustment, Increasing Input Tax with relevant additional details.

To account for increase in input tax

1.    Go to Gateway of Tally > Accounting Vouchers > F7: Journal.

Note: You can create a journal voucher from Gateway of Tally > Display > Statutory Reports > VAT > select the VAT or CST form.

2.    Click J: Stat Adjustment. In the Stat Adjustment Details screen,

o     Select Type of duty/tax as VAT.

o     Select Increasing Input Tax, as the Nature of adjustment.

Note: Based on the selection made for Nature of Adjustments, the Additional Details option either appears or disappears.

o     Press Ctrl+A to return to the voucher.

3.    Debit the expense ledger and enter the amount.

4.    Credit the input VAT ledger. Enter the tax Rate and Assessable Value in VAT Details screen. The journal voucher appears as shown below:

5.    Press Enter to save.