Paying Income tax is a compulsory obligation imposed by government on taxable income of all individuals, companies, LLPs, associations, HUFs (Hindu Undivided families) & all bodies of individuals working either as joint organisation or as artificial judicial person. It is the main source of government revenue levied as direct tax on earnings of every Indian citizen. In India, the tax department being administered by Central Board of Direct Taxes (CBDT) defines all basic rules of Income Tax Filing.