1) did you cover to islam at time of your marriage ?
2) do you have the conversion certificate ?
3) marriage with Muslim girl can be performed only if you had converted into islam
4) if you had converted into islam then you can dissolve your marriage by giving talq to your wife as per muslim personal law
5) file petition for declaration that marriage is dissolved as per talq nama issued to wife
6) for valid divorce among Muslims it has to be preceded by attempts at reconciliation
7)if your ex wfe files false cases of 498A apply for and obtain AB from sessions court