For FY 2020-21, Salaried individuals, who have no business income, will have to choose between the existing and new tax regimes u/s 115BAC every financial year, as per their convenience. The new income tax rates are lower compare to old tax rate. However, anyone opting for the new tax regime will have to forego most of the deductions available under the old tax regime .
Here is a catalog of deductions excluded in newly introduced Income Tax Regime Under Section 115BAC)
(i) Leave travel concession as contained in clause (5) of section 10;
(ii) House rent allowance as contained in clause (13A) of section 10;
(iii) Some of the allowance as contained in clause (14) of section 10;
(iv) Allowances to MPs/MLAs as contained in clause (17) of section 10;
(v) Allowance for the income of minor as contained in clause (32) of section 10;
(vi) Exemption for SEZ unit contained in section 10AA;
(vii) The standard deduction, the deduction for entertainment allowance and employment/professional tax as contained in section 16;
(viii) Interest under section 24 in respect of self-occupied or vacant property referred to in sub-section (2) of section 23.
(Loss under the head income from house property for the rented house shall not be allowed to be set off under any
other head and would be allowed to be carried forward as per extant law);
(ix) Additional deprecation under clause (iia) of sub-section (1) of section 32;
(x) Deductions under section 32AD, 33AB, 33ABA;
(xi) Various deduction for donation for or expenditure on scientific research contained in sub-clause (ii) or sub-clause
(iia) or sub-clause (iii) of sub-section (1) or sub-section (2AA) of section 35;
(xii) Deduction under section 35AD or section 35CCC;
(xiii) Deduction from family pension under clause (iia) of section 57;
(xiv) Any deduction under chapter VIA (like section 80C, 80CCC, 80CCD, 80D, 80DD, 80DDB, 80E, 80EE, 80EEA,80EEB, 80G, 80GG, 80GGA, 80GGC, 80IA, 80-IAB, 80-IAC, 80-IB, 80-IBA, etc).
The employers can claim deduction under sub-section (2) of section 80CCD (employer contribution on account of the employee in notified pension scheme) and section 80JJAA (for new employment) can be claimed.