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

Recording Purchase Returns (West Bengal)

A debit note is created to against the original invoice to record the purchase returns

To create a debit note for taxable goods whose VAT rate is specified in Company VAT Details screen of F3: Statutory & Taxation features

1.    Go to Gateway of Tally > Accounting Vouchers > Crl+F9: Debit Note.

2.    Enter the Original Invoice No. and Date of the purchase invoice against which the debit note is recorded.

3.    Select the required party name from the List of Ledger Accounts.

4.    Enter the required details in Party Details screen.

5.    Select the common purchase ledger.

6.    Select the required taxable stock items.

7.    Enter the Quantity and Rate. The amount is automatically displayed in the Amount field.

8.    Select the required common VAT ledger.

9.    Set the option Provide VAT Details? to Yes.

10.  Select the Nature of Return as:

o     Not Applicable to account for purchase returns

                                                  Or

o     De-Escalation in Price to account of price difference.

The debit note appears as shown below:

11.  Press Enter to save.