I hereby authorize HDFC Ltd. and its affiliates to call and/or send a text through the Short messaging Service (SMS) to me in relation to any of their products. HDFC Trust deposits is a specified investment under Section 11(5) (ix) of the Income Tax Act, Benchmark Rate is the rate of interest applicable on HDFC fixed. HDFC DEPOSITS. TRUSTS & INSTITUTIONS. Fixed & Variable Rates. HDFC Trust deposits is a specified investment under Section 11(5) (ix) of the Income Tax. Premature Withdrawal. Select Your Gender Male Female. Illustration - Mr. You can earn a maximum interest of 6. No, you cannot deposit any additional amount in your existing FD account as you are allowed to deposit only once at the time of opening the account. You have to choose the tenure hdfc fixed deposit trust deposit and interest payout frequency. Compared hdfc fixed deposit trust this, the rate of senior citizens FD are in the range of 6.