India is the president of the G20, which confers considerable authority and power on it. One of them might be India, which could invite non-G20 countries
Inviting nations who are not members of the G20 will foster camaraderie and assist enhance relations between the G20 and the invited countries.
India has sent invites to Bangladesh, Mauritius, Singapore, Egypt, the Netherlands, Nigeria, Oman, and Spain this year