How to Add Additional Frequency Type like Fortnightly,BiMonthly needed in using Recurring Sales/Purchase .
Hello, @Himanshu_Naik thanks for reaching out!
You can configure the Billing Interval & it’s count in Subscription Plan, and use it in the Subscription:
Learn more about Subscriptions in ERPNext:
https://erpnext.com/docs/user/manual/en/accounts/subscription
https://erpnext.com/docs/user/manual/en/accounts/articles/how-to-manage-subscriptions-with-erpnext