https://help.tallysolutions.com/docs/te9rel60/Tax_India/VAT/Puducherry/PY_MRP_Sale.htm

Recording Sales at MRP (Puducherry)

You can create sales voucher with tax on MRP.

To record sales transaction with tax on MRP

1.    Go to Gateway of Tally > Accounting Vouchers > F8: Sales.

2.    Select the customer ledger in the Party’s A/c Name field.

3.    Select the required Sales Ledger.

4.    Select the stock item for which Calculate VAT on MRP? is enabled and enter the Quantity, and Rate.

5.    Select the common VAT ledger. The rate will be calculated automatically based on MRP of the item.

The sales invoice appears as shown below:

6.    Press Enter to save.