Need help wife husband issue

If she is your legally wedded and maried with someone else wiyhout divorcing you ,that is illegal and she is punishable under offence of bigamy . You can file an Fir against her. She is your legally wedded wife you need to fix this loose end...

Sir will police  be able to file any case on my brother  for using condom and sprem  as part of email if so on what sections

1. your brother can file a complaint case of bigamy against his wife,

2. if the email is sent to the wife only then nothing much to worry, however, the contents are offensive,

to avoid any action from the wife, you should file the Bigamy case

Sir my brother send to her and media and her parents filed harashment complaint in police station

since sent to the media and her parents, therefore, he may face criminal charges

try to settle the matter amicably involving elders/parents/friends of both families

Your brother has the option to seek divorce; also, the criminal action of bigamy could be initiated if she still happens to be an Indian citizen.

Her parents may threaten him but it can be challenged properly.

If he has enough evidence to prove that she married another person during the subsistence of his marriage with her then he can very well initiate criminal process to file a private criminal complaint against her under the provisions of bigamy under IPC .

He may also file a divorce case on the grounds of cruelty on the basis of her second marriage  on the grounds of adultery.

Why you are purturbed over the issue concerning your brother and his wife ?

If it is a true story it is advisable to consult a local prudent lawyer for better appreciation of facts/documents, professional guidance and necessary proceeding wherein your brother should opt to get out of the marriage (by divorcing her) .