• The African Union's membership in G-20 signifies a recognition of the continent's growing economic potential and importance in the global economy.
• It gives African nations an opportunity to participate in high-level discussions and decision-making regarding the global economy and related issues like trade, investment, and development.
• PM Modi's call for African Union's membership in G-20 represents India's commitment to strengthening ties with Africa.
• India already has strong ties with African nations and this move will help to further enhance relations and opportunities for cooperation.
• Membership in G-20 will give African nations a platform to address various issues that affect them and to advocate for their interests on an international stage.
• It raises the profile and legitimacy of the African Union and gives it a greater voice in shaping the future of the global economy.

Overall, the African Union's membership in G-20 and PM Modi's support for it are important steps towards greater inclusion and representation of African nations in global economic decision-making. It can lead to more opportunities for investment and development in the continent, and a more equitable and sustainable global economy.