2.5L / 3L / 5L depending on age group in the old tax regime.
2.5L for all ages in the new tax regime.
Tax rebate for 5L/7L is only if your total income is under 5/7L.
You can check this on the tax calculator : https://eportal.incometax.gov.in/iec/foservices/#/TaxCalc/calculator