Why Post Offices not deducting TDS on Post Office TD, RD, MIS Interest for General Public ?

Post office investment schemes on which TDS is not deducted ......

Public Provident Fund Account (PPF) PPF deposits qualify for a tax benefit under Section 80C of the Income Tax Act. The interest earned is tax-free, and TDS is not applicable.

National Savings Certificates (NSC) NSC deposits up to Rs. 1.5 lakhs are eligible for a tax benefit under Section 80C. The interest earned on NSC is not subject to TDS. 

Kisan Vikas Patra (KVP) The returns are totally taxable because KVP is not eligible for 80C deductions. TDS, however, is not applied to withdrawals made after the scheme's maturity.

Mahila Samman Savings Certificate TDS is to be deducted on interest generated for more than Rs 50,000 per year for senior citizens and Rs 40,000 for ordinary residents under the Mahila Samman Savings Certificate.

Senior Citizen Savings Scheme (SCSS) Deposits in the Senior Citizen Savings Scheme (SCSS) are tax-deductible under Section 80C. TDS is levied on interest generated in excess of Rs 50,000 per annum.

Post Office Monthly Income Scheme Account (MIS) Interest is taxable, and there is no deduction under Section 80C for deposits made. TDS will be deducted on interest earned beyond Rs 40,000, and Rs 50,000 for senior citizens.