Deduction for senior citizens' interest income from bank and post office deposits, with eligibility and exclusion rules clarified. Section 80TTB, effective from 01.04.2019, allows a deduction for senior citizens for interest on deposits with specified banks, co-operative banking societies and Post Office accounts, subject to a prescribed cap and subject to exclusion where interest is derived from deposits held by or on behalf of firms, associations or bodies of individuals; partners or members of such entities are not eligible, and claiming this deduction excludes claiming the alternative interest-deduction provision.