Any resident citizen whose total gross income above the basic exemption limit is required to file income tax returns. You can, however, submit a NIL return if your total income is less than the taxable limit. The following are some of the other entities that submit ITR in India: Hindu Undivided Family (HUF) Associations of Persons (AoPs) Local authorities Corporate firms Charitable and/or religious trust Companies Artificial juridical persons Body of Individuals (BOI) The correct ITR form must be used depending on the taxpayer. The following are the forms of return prescribed under the Income-tax Law: Return Form ITR-1 - Also known as SAHAJ is applicable to an individual having salary or pension income or income from one house property (not a case of brought forward loss) or income from other sources (not being lottery winnings and income from race horses, income taxable under section 115BBDA/ 115BBE ITR-2 -It is applicable to an individual or an Hindu Undivided Family not having income chargeable to income-tax under the head “Profits or gains of business or profession” ITR-3 - It is applicable to an individual or a Hindu Undivided Family who has any income chargeable to tax under the head business or profession ITR-4 - Also known as SUGAM is applicable to individuals or Hindu Undivided Family or partnership firm who have opted for the presumptive taxation scheme of section 44AD/ 44ADA/44AE. ITR-5, - This Form can be used by a person being a firm, LLP, AOP, BOI, cooperative society and local authority ( Not for trusts, political parties, institutions, colleges) ITR-6 - It is applicable to a company, other than a company claiming exemption under section 11 ITR-7 - It is applicable to a persons including companies who are required to furnish return under section 139(4A) or section 139(4B) or section 139(4C) or section 139(4D) (i.e., trusts, political parties, institutions, colleges) ITR-V -It is the acknowledgement of filing the return of income.