Every rupee of salary tax you pay is decided by one choice made before any investment, any deduction, any planning: which regime. Since AY 2024-25 the new regime is the default — you have to actively opt out — and for most salaried people it now wins. But "most" is not "all", and the losers lose by real money.
The two deals on the table
The new regime trades deductions for lower rates. For FY 2026-27 the slabs run: nil to ₹4 lakh, then 5% to ₹8 lakh, 10% to ₹12 lakh, 15% to ₹16 lakh, 20% to ₹20 lakh, 25% to ₹24 lakh, and 30% above. A salaried taxpayer gets a ₹75,000 standard deduction, and the §87A rebate wipes out tax entirely up to ₹12 lakh of taxable income (rebate capped at ₹60,000). Almost everything else — 80C, 80D, HRA, home-loan interest on a self-occupied house — is gone.
The old regime keeps the deductions and the old rates: nil to ₹2.5 lakh, 5% to ₹5 lakh, 20% to ₹10 lakh, 30% above, with a ₹50,000 standard deduction and a rebate only up to ₹5 lakh. It is a high-rate schedule you buy down with paperwork: ₹1.5 lakh under 80C, health premiums under 80D, HRA against rent, up to ₹2 lakh of home-loan interest under 24(b).
Health and education cess adds 4% on top of either regime's tax.
Where the break-even sits
The old regime only wins when your deductions are large enough to overcome its higher rates. As a rule the case needs a home loan and a full 80C and substantial HRA stacked together — a single ₹1.5 lakh of ELSS is nowhere near enough at most incomes. Run your own numbers in the old vs new regime calculator, which finds the deduction level at which the two regimes tie for your income; the income tax calculator shows the full slab arithmetic either way.
Two consequences follow for investors:
- ELSS only makes sense if you can claim 80C — on the new regime it is an equity fund with a three-year lock-in and nothing in return. The full argument is in ELSS and 80C.
- The rebate does not touch capital gains. Equity LTCG and STCG are taxed at their own special rates, and §87A cannot be set against them — worse, the gains still count toward the ₹12 lakh ceiling, so a large gain can cost you the rebate on your salary too. The salary + capital gains calculator models exactly this trap, and how mutual funds are taxed covers the rates themselves.
Choosing in practice
The choice is annual for salaried taxpayers — you can switch each year when you file — so this is not a lifetime commitment. Tell payroll early, though: TDS runs on your declared regime all year, and a mismatch only settles at filing.
⚠️ Slabs, the rebate and the deduction menu are rewritten by the annual Budget — these figures are FY 2026-27. Verify before relying on them, and take a filing position from a professional; WealthTicker is not a SEBI-registered investment adviser and nothing here is tax advice.
Key takeaway
The new regime is the default and, past the ₹12 lakh rebate line, usually the winner unless you stack a home loan, full 80C and HRA together. Decide the regime first — it determines whether ELSS, 80D and HRA planning are worth anything at all — and remember the rebate never applies to capital gains, which are taxed on top at their own rates.
More in Module 11 — Money beyond funds: salary, tax, loans and property
Decoding your CTC: why in-hand is so much less
Cost to company is what employing you costs, not what you are paid. The four layers inside a CTC, where EPF and gratuity actually go, and the basic-salary split that silently sets three benefits at once.
Advance tax and TDS: how India collects before you file
TDS is a running prepayment, not the final bill, and advance tax fills the gap in four dated instalments. The 15/45/75/100 calendar, the cliff in the early triggers, and the presumptive shortcut that collapses it to one March payment.
ESOPs, RSUs and ESPPs: taxed twice, at two different prices
Slab tax on the discount when shares become yours, capital gains from that day's FMV when you sell. Why tax can fall due on paper value, and why the cost-basis error is the most common mistake in self-filed returns with equity comp.
Freelancing full-time: the 50% deal most professionals miss
Presumptive taxation lets a qualifying professional declare half of gross receipts as profit — no books, no audit, one advance-tax instalment. How the scheme works, and how to compare a salary and a freelance offer honestly.
How an EMI actually works (and the flat-rate trick)
Interest on the outstanding balance first, principal with the remainder — so early years barely repay anything. Why tenure sets total interest, why early prepayment punches above its weight, and why a flat rate is roughly double what it claims.
A surplus and a loan: prepay, refinance or invest?
Prepayment is a guaranteed, tax-free return equal to your loan rate — cut the tenure, not the EMI. When a balance transfer clears its fees, and when investing the surplus honestly beats both.
Rent vs buy: the honest math
Terminal net worth on two fully-specified paths, with the renter investing every rupee the buyer sinks. The two assumptions that decide the answer, and the tax change that flipped older calculators' verdicts.
The small savings family: PPF, SSY, NSC, KVP, SCSS and kin
One sovereign family, priced quarterly. Which schemes compound, which pay income, which are tax-exempt — and why the after-tax yield, not the poster rate, is the number to compare.
Insurance is not an investment: term plans and the LIC question
Bundled policies do both jobs badly. Sizing a term cover from needs rather than folklore, and evaluating an endowment you already own on forward numbers alone — surrender, paid-up or continue.
What trading actually costs: beyond zero brokerage
STT, exchange charges, GST, stamp duty and DP fees stack on every trade no broker can waive. The break-even move to know before a trade, the averaging-down trap, and what leverage really multiplies.
Running a small business by the numbers
Break-even and the margin of safety, margin versus markup, the cash conversion cycle, the DSCR a lender will compute anyway, and GST as an input-credit chain — the five checks that catch trouble early.