Form 16 and Form 12 BA are provided by the employer which was details about the employee's Salary and Value of Perquisite U/s 17(1) and 17(2) of Income Tax Rules, these are use while calculating Tax Liability and filling Income Tax Return where we look in to the details of Salary in Form 16 and the details of Value of Perquisite U/s 17(2) which provided by the employer to the employee which is shown in this Form 12 BA.