HRA exemption is the minimum of:
HRA (House Rent Allowance) is a component of salary provided by employers to employees for renting accommodation. A portion of HRA is exempt from tax.
HRA exemption is the minimum of: (1) Actual HRA received, (2) Rent paid minus 10% of basic salary, (3) 50% of basic salary for metro cities or 40% for non-metro cities.