the study is planned as a qualitative method and based on available literature review keeping in view the nature of research of the problem and question the efforts have been made to collect material from diverse sources thus there is a combination of primary and secondary sources information has been collected and shifted from documents such as the international agencies organization books journals speeches statements and official declarations and communications interaction with other scholars by attending international seminars conferences and worksops has been very useful in developing clarity in think abount various aspect of topic