Correct My Mail Matter

As I asked of you 3 to 4 times about Medical Insurance. You did not get back to me with Proper information. Always given excuses like I am not in the office can't mail you right now etc. Kindly update, renewal insurance number by the today evening without any excuses.
Let me know how to mail them above mentioned matter

I have been in touch with you on three to four occasions in connection with renewal of medical insurance.
Unfortunately I have not been given proper information.
Kindly give me a feedback by today evening on the subject without fail.

Dear XYZ, it will be highly appreciated if you update the renewed insurance number by this evening as I find extremely difficult for further processing at my end.