Section 44ADA of Income Tax Act "Special provision for computing profits and gains of profession on presumptive basis"
44ADA. (1) Notwithstanding anything contained in sections 28 to 43C, in the case of an assessee, being a resident in India, who is engaged in a profession referred to in sub-section (1) of section 44AA and whose total gross receipts do not exceed fifty lakh rupees in a previous year, a sum equal to fifty per cent of the total gross receipts of the assessee in the previous year on account of such profession or, as the case may be, a sum higher than the aforesaid sum claimed to have been earned by the assessee, shall be deemed to be the profits and gains of such profession chargeable to tax under the head "Profits and gains of business or profession".
(2) Any deduction allowable under the provisions of
sections 30 to 38 shall, for the purposes of sub-section
(1), be deemed to have been already given full effect to and
no further deduction under those sections shall be allowed.
(3) The written down value of any asset used for the
purposes of profession shall be deemed to have been
calculated as if the assessee had claimed and had been
actually allowed the deduction in respect of the
depreciation for each of the relevant assessment years.
(4) Notwithstanding anything contained in the foregoing
provisions of this section, an assessee who claims that his
profits and gains from the profession are lower than the
profits and gains specified in sub-section (1) and whose
total income exceeds the maximum amount which is not
chargeable to income-tax, shall be required to keep and
maintain such books of account and other documents as
required under sub-section (1) of section 44AA and get them
audited and furnish a report of such audit as required under
section 44AB.
What are Amounts not deductible? Section 40 of Income Tax Act 1961
What are Profits chargeable to tax? Section 41 of Income Tax Act 1961
Section 43AA Taxation of foreign exchange fluctuation
Section 43CB Computation of income from construction and service contracts
Section 44ADA Special provision for computing profits and gains of profession on presumptive basis