If your policy is in Free Look Period, you can return it back to insurance company.

For sum insured check your policy bond document.

What you get?
Death Benefit – If the Life Insured dies within the Policy Tenure, the nominee gets the higher of:
-The basic Sum Assured
-10 times the Annualized Premium
-105% of Total Premiums paid

Along with the accrued Reversionary Bonus till date of death as Death Benefit and the policy would be terminated.

Maturity Benefit – On maturity, the basic Sum Assured + the Reversionary Bonus would be paid to the Life Insured as Maturity Benefit and the policy would be terminated. Terminal Bonus may also be paid at the end of the Policy Tenure

You cannot cancel the policy but can surrender it. If least 3 years’ premiums have been paid for a Premium Paying Term of 10 years and 2 years’ premiums have been paid for a Premium Paying Term of 7 years the policy acquires Surrender Value which depends on the GSV Factor as a percentage of the premiums paid.