You can create pay periods for a financial year, as per your company rule.
Click on Product configurations and then click Manage pay periods given under Payroll Settings
Alternatively, In the Search bar, type manage pay periods and select the option - Setup pay periods for financial year.
Select the financial year. Scroll towards the end of the page and click Edit.
Modify the start and end dates of each pay period as per your company rule
Click Save.
The modified pay periods will be saved.
Note: To add a new financial year and define pay periods, click on the link, Add financial year given on Manage pay periods page. Enter 25th March as the start date. The system will automatically generate 12 pay periods, starting from 25th March - 24th April and onwards.