This document is a circular from the Central Board of Direct Taxes (CBDT) detailing income tax deductions from salaries for the Financial Year 2019-20. It outlines the rates of tax applicable, the broad scheme of Tax Deduction at Source (TDS) from salaries, and the responsibilities of persons responsible for deducting tax. The circular also covers methods for tax calculation, payment of perquisites, and various deductions and exemptions. It is a crucial guide for employers to understand their TDS obligations and for employees to understand how their salary income is taxed.