As we know that law is a dynamic concept that changes as per the need of society and only those laws will survive if they fulfill the need of society. In the world of modernization and globalization, people get mature and also follow the many concept or fashions of the western world, and one of them there is the concept of the live-in-relationship which is very popular nowadays and many young couples this right is a fundamental right under the constitution of India. If we see the history of India we could not find such things as the Indian society being very religious and following their custom and tradition and living with unmarried couples before marriage is a sin for them so they did not allow them even till today but many young couple claim to be live together before the marriage so that they will understand their partner in a well way so that after they married it will face any difficulty with them. Following this ideology, they follow this concept of live-in-relationship but few laws protect the couples if any issue will arise from such thing. This paper will discuss the concept of the live-in-relationship and what will be the law says about the right of women under various laws, the right of the children born from such relationships, the legal status of that child, and judicial trends in this matter.