 The government imposes a tax on taxable income of all persons who are individuals, Hindu Undivided Families (HUF's), companies, firms, LLP, an association of persons, a body of individuals, local authority and any other artificial juridical person.Levy of tax on a person depends upon his residential status.The CBDT administers the Income Tax Department, which is a part of the Department of Revenue under the Ministry of Finance, Govt.