Create a [Month] Parameter
Data Type -- Integer
List Values as Integer and Display as String. Ex: 1-January, 2- February etc
Then Create a Calculated field [Previous Months]:
Drag [Previous Months] to filter and set it as 'True'
Use YEAR(Date) Quick Filter to select year and Use Parameter [Month] to select month.
Thanigaivel, If this was helpful then mark it as correct so the thread can be closed.