ITR 6 Form is to be furnished by the Companies to e-file the income tax returns if they are not claiming exemption under Section 11 of the Income Tax Act 1961. Under the Income-tax Rules, the Companies that can claim an exemption under section 11 are those that have income from the property that is held for the charitable or religious person.
Hence, ITR 6 is to be filed by the companies that do not claim an exemption under section 11.