Income tax can be voluntarily paid in the form of advance tax, self-assessment tax & tax deducted at source.
CAUTION ! To claim deduction on your donations, ensure that you contribute to only those entities that are approved by the Income Tax Department.
DID YOU KNOW? You can simultaneously claim HRA exemption as well as deduction in respect of your home loan.
If you have had multiple employers during the last financial year, then you must consider income from all such employments for computing your tax liability.
Interest on loan taken for higher education (for yourself or for your children) is eligible for deduction.