I have a horrible ex husband, a real pain.
Oh sorry! social relationships, an ex (plural is exes) is someone with whom a person was once associated
Yes and there are often contentious issues with an ex husband like finances, property or custody
Yeah ,but there are legal rights of women refers to the social and human rights of women.
Often its just a matter of unresolved hard feelings or anger, I think all divorcing couples should have to do therapy
In law violation against women this type of violence targets a specific group with the victim's gender as a primary motive 
Its good there are laws to protect women in these situations, its often dangerous
It protects against abuse
 would be the domestic violence laws?
Domestic violence in India
Domestic violence in India includes any form of violence suffered by a person from a biological relative, but typically is the violence suffered by a woman by male members of her family or relatives. According to a National Family and Health Survey in 2005, total lifetime prevalence of domestic violence was 33.5% and 8.5% for sexual violence among women aged 15–49. A 2014 study in The Lancet reports that the reported sexual violence rate in India is among the lowest in the world, the large population of India
Ex (relationship)
In social relationships, an ex (plural is exes) is someone with whom a person was once associated, in a relationship or marriage. As a prefix, "ex-" can refer to a variety of different relationships; for example, one might refer to a music group's "ex-guitarist", or someone's "ex-friend". 
When used alone, "ex" as a noun is assumed to refer to a former sexual or romantic partner, especially a former