: The official replacement for Form 15H.
While Form 15H was the standard for years, you should now use the updated Form 121 for current tax years.
: Still accepted at some non-digitized branches for previous years.
: For senior citizens, TDS is deducted if the interest income from deposits exceeds ₹50,000 in a financial year. How to Submit the Form at the Post Office Form No. 121 (Earlier Form Nos. 15G & 15H)