Unlock the complexities of transnational politics and the vital role of expatriate communities in shaping national elections. This authoritative study explores why political parties engage with citizens abroad, examining citizenship policies and the motivations behind external voting. Through comparative analyses and expert interviews, it investigates the legitimacy of diasporic political participation and the implementation of citizenship policies. Essential reading for scholars of political science and sociology, offering deep insights into global political engagement and electoral dynamics for students and researchers in India.