Dear Mr Rupendra Mehta, The pertinent question here is are you paying Salary to the Employee who left service in 15-20 Days.Is Employees name reflect in your Pay Roll for the respective month? Consequently, you are liable to make all Statutory Deductions from the Salary without taking in to consideration Length of Service of an Employee.If Employee are Leaving your Company on Continuous basis within 15-20days, Please find out reasons for the same