Why the exemption is the smallest of three numbers
Section 10(13A) does not simply exempt whatever HRA your employer pays you. It caps the exemption at the least of three separate figures, so that neither a generous HRA component nor cheap rent, on its own, can inflate the exemption:
- Actual HRA received — you can never exempt more than what your employer actually paid you as HRA.
- Rent paid minus 10% of salary — only the rent you pay above a 10%-of-salary floor counts; the first 10% is treated as something you would spend on housing regardless.
- 50% or 40% of salary — a ceiling tied to salary and city, so a very high rent in a small salary bracket does not exempt an unlimited amount.
Seeing all three side by side, rather than only the final exempt figure, is what tells you which lever actually moves your number — raising declared rent only helps if the rent-based figure is currently the smallest of the three.
This only applies if you have opted for the old tax regime. Under the new regime the exemption is not available at all, and none of the three figures above matter.

