Child marriage is a practice prevalent in many developing as well as developed countries. Despite many legislations and schemes introduced by the respective governments to prevent this immoral practice, it still continues to exist in our society either due to loopholes in the enacted legislations or because society does not accept the laws, giving primacy to their cultural practices or orthodox beliefs. This paper gives a detailed version of child marriage in India by exploring its historical facet, the impact of legislations prevailing and their intelligible conflict with personal laws of various communities. The paper also discusses the laws enacted in the USA and Australia to curb this practice and makes a comparative study regarding the efficiency of these laws