Life Insurance Corporation of India [LIC] — date of birth is wrong in my policy

Dear sir/madam,
My policy number is[protected] and commencement date is 15/01/2004.
Nominee name: kanan bala biswas
My actual date of birth is 30/12/1974 for which the supportive documents also provided.
But in policy suddenly i noticed during logging into new lic portal that it's wrong in the policy itself.
In polict it's appearing as 13/12/1974.

Please let me know how van i correct my date of birth in the policy.

Regards,
Sandipta narayan biswas