https://help.tallysolutions.com/docs/te9rel60/Tax_India/VAT/Kerala/Sales_MRP.htm

Sales at MRP (Kerala)

You can record sales transaction with tax on MRP using this procedure.

To record sales transaction with tax on MRP

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

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

3.    Select the Sales Ledger with the appropriate taxable nature of transaction.

4.    Select the stock item with the option Calculate VAT on MRP enabled.

5.    In the Stock Item Allocations screen

o     Select the Godown name, enter the Quantity and the Rate.

o     Press Ctrl+A to save.

6.    Select the common VAT  ledger. Based on the VAT rate, the tax amount is automatically displayed.

7.    Select the ledger for cess.

The invoice is displayed as shown below:

8.    Press Ctrl+A to save.