Annual income tax calculator 2019-20 for government employees, has been prepared by Mr. Mehmood Arshad Wattoo, PCO, PAEC, Islamabad. Taxes on personal income is a vital revenue sources for government employees. In this income tax calculator, you can find your annual income and total payable tax amount on your salary. This calculator is based on the Federal Board of Revenue, Government of Pakistan. By using this calculator employee can calculate his/her Income Tax himself/herself very easily.