How to print component wise Arrears while printing Salary Slip / Salary Reg

Hello

We are facing problem while printing salary slip and salary register for printing Arrears

Requirement is as follows:

When back dated increment are given, thru system with retro it will calculate calculates arrers and gves desire result. We want to print component wise arrears in Salary Slip and salary Register.

For E.g Basic Salary of Employee for April is Rs. 10,000

HRA Rs. 4,000

In month of May salary is revised with effective from April.

Basic Salary of Employee for May is Rs. 12,000

HRA Rs. 4,800

Arrears will be ( 2000 + 800 ) Rs. 2,800

We like to have break up of arrears as Rs. 2000 towards basic and Rs. 800 towards HRA for April

Does system stores in May month RT table or some where else

Where Data is stored and how to retrieve