You wanted to avail the benefits adopting short cut methods hence you fell prey to your own fault/mistake.
How can you sign the papers without knowing what is written in it?
The insurance advisers or the staff may coerce you with attractive offers which may actually not exist.
One question to the person about the clarity though their brochures or any other pamphlet would have enlightened you about the fraud that those people are trying to play on yo in order to promote their own business.
If the police conditions say that you cannot encash the amount during the lock in period or within a stipulated time period then you cannot get any relief even if you approach court because the insurance company will express their inability to come to yor rescue owing to the conditions that are printed in the policy.
This appears to be yearly premium payment and you have paid the first year premium, hence you would be required to pay the premiums for the entire term of the policy in order to get the full maturity benefits, thus if you want to cancel the police, you may have to go through the policy conditions by which you will be entitled to surrender the police after deductions of certain amount as mentioned therein.