My husband is contact with another girl over phone, both are ( my husband and that girl), and me also a government employees, for the past two years my marriage life was going on nicely, but after that contact I am suffered a lot, how can I break that contact, my husband always ask me to allow the girl for second marriage, we have one female (one and half year ) child, please help me

Have you told your husband how you feel when he contacts this other woman? Have you been honest with him about feeling like he has lost interest in you because he seems to have a new 'toy' he wants to play with?

What was your understanding (if there was one) when you married about the possibility of, in the future, another wife being brought into the marriage?

You have not mentioned the laws regarding marriage in your culture,could it be that the husband is allowed more than one wife? if this is the case then you need to sit and talk about this very important decision, find out what his true intentions are,you would have been aware of this situation before you married him but perhaps he made a promise to you that this would never happen.

You could also maybe add something to your appearance, change your hair or buy a new outfit, something you know will make him notice you.
I know this must be really difficult for you too cope with and must be making you miserable but try and be cheerful,find new things to talk to him about, keep his interest going,let the baby go to granny's for the evening,cook a special meal for the both of you or you could go out somewhere special.

The idea is for him to want to talk to you rather than her, if your miserable all the time it will just push him further away... he will continue to spend more time on the phone,which you don't want.

Do what ever you have to do to win his attention... Goodluck