Life Insurance Corporation of India [LIC] — Ecs updating pending

Respected sir, good morning
This is seetha pandu
My policy numbers are
[protected] doc.[protected].[protected] doc.[protected]
& my wife seetha jayasri policy no.[protected] doc[protected], all bonds received. Agent response good.
I am taken 3 policies form your
Lic of india.
Required documents given to life insurance corporation of india,. City branch 16, chaitanyapuri, hyderabad.
And further ecs is not updating. They mentioned that ecs is rejected due to signatures default. We further verified the same with bank banker said everything is fine from their side.
And further 2nd time also documents given, again cheque payment is clear, same signature but ecs is not updating.
Kindly update my policies. Other wise cancel my policies.
Cell. No.[protected]