India became a member of the G20 at its inception as a founding member. The G20 comprises 19 countries including India, and it was formed as an international forum for economic cooperation. India has been a part of the group since its early days and has actively participated in its activities. Specifically, India assumed the G20 Presidency on December 1, 2022, and hosted the G20 Leaders' Summit for the first time in New Delhi in September 2023.
In summary, India has been a member of the G20 since the start but took over the rotating presidency on December 1, 2022.