We all question what is Tax Deducted at Source (TDS and why is it imposed. What happens to the amount deducted in TDS and on what income is TDS levied? If you have many such questions in your mind, then know the ABCD of TDS here so that there is no confusion. If a person has any income, then tax is deducted from that income and the remaining amount is given. The amount deducted as tax in this way is called TDS. The government collects taxes through TDS. It is deducted from different types of income sources. These include salary, interest received on investment and commission, etc. The paying institution deducts a fixed amount as TDS. The government announces before every financial year how much TDS will be deducted on which type of payment. Since tax is deducted at the source of income, it is called Tax Deducted at the Source i.e. TDS. In this way, the person who deducts tax is called Deductor and the person whose TDS is deducted is called Deductee.