Taxation of Companies and Alternative Tax Regimes
Why company taxation is the paper's computational anchor
Every other domestic chapter in this paper — trusts, business trusts, investment funds — builds on the same underlying computation discipline this chapter establishes for companies: aggregate income across the prescribed heads, apply permissible deductions, compute tax at the applicable rate, and account for any minimum tax or surcharge and cess. Master this chapter's computation format and rate structure thoroughly, since it is both the single most heavily tested individual topic and the template every later entity-specific chapter modifies rather than replaces.
The regular corporate tax regime
Computing total income. A company's total income is computed by aggregating income under each applicable head — profits and gains of business or profession (ordinarily the dominant head for a company), capital gains, income from house property, and income from other sources — with specific adjustments unique to corporate taxpayers, including disallowances under section 40(a) for tax not deducted at source on specified payments, and section 43B's requirement that certain statutory liabilities (employer contributions to provident fund, bonus, leave encashment, certain taxes and duties) are deductible only in the year of actual payment, regardless of the year the liability was otherwise incurred and accounted for.
Minimum Alternate Tax (MAT). Where a company's tax liability computed under the regular provisions of the Act is less than a specified percentage of its book profit (profit as per the profit and loss account prepared under the Companies Act, adjusted by specific additions and deductions prescribed under section 115JB), the company is instead liable to pay tax at that specified percentage of book profit — MAT exists specifically to address the concern that a company can, through the legitimate application of accelerated depreciation, specific exemptions, and other deductions available under the regular provisions, report healthy accounting profit while paying negligible tax under the regular computation, and MAT establishes a floor ensuring such a company still bears a minimum tax burden relative to its book profit.
MAT credit. Where a company pays tax under MAT because its regular tax liability was lower, the excess of MAT paid over the regular tax liability that would otherwise have been payable is available as MAT credit, carried forward and set off against regular tax liability in a future year in which regular tax liability exceeds MAT liability — this credit mechanism exists specifically because MAT is understood as a timing adjustment, not a permanent additional tax burden; the company is not made to pay more tax overall across its life, merely to pay tax earlier, in a year its book profit is healthy but its regular-provisions computation would otherwise show little liability, with credit for this earlier payment recovered once the regular computation itself produces a higher liability in some future year.
Concessional tax regimes: sections 115BAA and 115BAB
Section 115BAA, available to any domestic company, offers a materially lower tax rate than the regular regime, on the condition that the company forgoes specified exemptions and deductions (including, notably, any deduction for additional depreciation, and various profit-linked deductions), and, once exercised, MAT does not apply to a company opting for this regime — the underlying trade-off this section presents is explicit and central to exam questions built around it: a lower headline rate in exchange for giving up a specified list of exemptions and deductions, and this trade-off's genuine attractiveness for any specific company depends entirely on how much of that forgone list the company would actually have claimed under the regular regime.
Section 115BAB, available specifically to new domestic manufacturing companies satisfying specified conditions (incorporated after a specified date, commencing manufacturing by a specified deadline, not formed by splitting up or reconstructing an existing business), offers an even lower concessional rate than section 115BAA, again on condition of forgoing the same broad category of exemptions and deductions, and again exempting the company from MAT once opted — this section is specifically designed as an incentive for genuinely new manufacturing investment, and the specific eligibility conditions (particularly the prohibition on formation by splitting up or reconstructing an existing business) exist precisely to prevent an already-established manufacturer from artificially restructuring itself to access this new-manufacturing-specific concessional rate without any genuine new investment having occurred.
The genuine tax planning judgement. A company choosing between the regular regime, section 115BAA, and (where eligible) section 115BAB is not choosing based on the headline rate alone — a company that would otherwise claim substantial additional depreciation or profit-linked deductions under the regular regime may find its effective tax burden lower under the regular regime despite its higher headline rate, once those forgone benefits are properly valued, while a company with modest claims under the regular regime's exemption and deduction list may find the concessional regime's lower headline rate a straightforward, unambiguous improvement; a Final-level question testing this area expects you to perform this genuine, quantified comparison across the regimes for a specific company's actual facts, not merely to recite that "the concessional regime has a lower rate."
Surcharge, cess, and the effective tax rate
Surcharge is levied as a percentage of the tax computed, itself graduated based on the level of total income, meaning the effective tax rate genuinely rises as income crosses specified thresholds, not merely the tax base itself. Health and Education Cess is levied as a further, fixed percentage on the aggregate of tax and applicable surcharge. A candidate computing a company's final tax liability must apply these two layers systematically, in the correct sequence — tax on total income, then surcharge on that tax (if the income threshold triggering surcharge is crossed), then cess on the resulting aggregate of tax and surcharge — since applying cess before surcharge, or computing surcharge on total income directly rather than on the tax computed on that income, produces a materially wrong final figure.
Dividend taxation from the company's perspective
Since the shift to taxing dividends in the hands of shareholders rather than through a company-level Dividend Distribution Tax, a company's own tax computation is simplified in this specific respect — dividend distributed is no longer itself subject to a distinct distribution tax at the company level — but the company must still correctly withhold tax at source on dividends paid to shareholders under the applicable TDS provisions, and must ensure any dividend income it itself receives from another domestic company is correctly included in its own total income under the applicable head, subject to whatever specific deduction (such as under section 80M, addressing the cascading-dividend-taxation concern for a company receiving and itself further distributing dividends) may apply to prevent excessive layered taxation as dividend income passes through a chain of corporate entities before reaching the ultimate individual shareholder.
Why this chapter's mastery is the foundation for everything domestic that follows
Every specialised entity this paper's later chapters address — a charitable trust, a business trust, a securitisation trust, an investment fund — is taxed through some variant, modification, or specific carve-out from the same underlying computation architecture this chapter establishes for an ordinary company: aggregate income, apply permissible deductions, determine the applicable rate (regular, concessional, or a specific rate unique to that entity type), and layer surcharge and cess correctly on top. Genuinely mastering this chapter's computation discipline, and the regular-versus-concessional-regime comparison specifically, is the single highest-leverage investment of study time in this paper's entire domestic half.
