Life Insurance Corporation of India [LIC] — surname correction is not done

Address:

276201

Dear sir,
I had taken one policy from lic india kerakat jaunpur branch (28m) policy no. Is[protected] on february 2018.. Lic team had punched my name wrongly umesh yadav. The correct name is umesh kumar. For the correction of this surname i am following with branch manager of kerakat lic office from february 2018. I have given request and complain many time in verbal and written. I have got two complain no. [protected] and [protected] but its not resolve till today's date. My wrong name is remain the same. I am very much upset about their response and get this policy from lic india. Every time i am getting the same response "it will be resolve".
Kindly help me to correction in my name.
Regards
Umesh kumar
[protected]