Premature closure is permissible as per below criteria:
Age 60-70 years: After 6 years
Age 70-80 years: After 5 years
Age 80-90 years: After 4 years
In case of joint holders or more than two holders, any one holder can fulfil the condition
50% of the interest due and payable for the last six months period of the holding period shall be recovered as penalty from the investor, but redemption payment will be made on the following interest payment due date.