The purpose of the study is the structure of political parties and comparative analysis of the party system in the Republic of India. The objective of the research is to investigate the functioning of the parties, power structure, dynamics and their role in forming the government at the centre and state levels in the country. In addition, the study analyses the approaches of the parties as an actor to make a coalition government in various provincial government. The research used comparative method analysis to achieve the purpose of this study and describe the source methods for testing the research objectives. The study finds the comprehensive relevance of parties" role in the Indian political system. Finally, the result of the article finds as a conclusion that the multi-party system provides multiple opportunities for people to participate in the democratic process in India.