My name is Rohit Malik and I myself am a Private Investigator this blog is regarding ” Detective Agency for Post Matrimonial and Divorce Investigation”. So let me explain the Detective agency’s role in Pre and Post Matrimonial and Divorce Case Investigation. Marriage and divorce. In real life both words meaning are different. Because marriage is where two heart meets and they wants to live together. And divorce is when two life is going to separate and they do not want to live together.