New regime or old regime for FY 2026-27? Compare slabs, deductions, break-even points at Rs 15/20/25 lakh salaries, and three worked examples to pick the one that saves you more.
New tax regime slabs for FY 2026-27 (AY 2027-28): 7 slab rates from nil to 30%, zero tax up to Rs 12 lakh (Rs 12.75 lakh for salaried) via the Section 156 rebate, worked calculations, and an old-vs-new decision guide.
Form 10-IEA is the declaration business owners and freelancers file to opt out of the default new tax regime. Who must file it, the hard deadline, the one-time switch rule, and the step-by-step online process.