The press releases by the Saudi Press Agency and the Ministry of External Affairs confirms the claim about the Saudi's coordinated G-20 summit.
According to the Saudi Press Agency, the G20 Finance ministers and Central Bank Governors had a teleconference on 23 March 2020, under the Saudi G20 Presidency. This meeting was to discuss the impact of COVID-19 pandemic on the global economy and coordinate their efforts in response to this global challenge.
Narendra Modi's Official website states that Prime Minister Shri Narendra Modi will participate in G20 virtual summit on 26 March 2020 to discuss on the issues related to Coronavirus which is coordinated by Saudi G20 Presidency.
The COVID-19 pandemic has given rise to a lot of potentially dangerous misinformation. For reliable advice on COVID-19 including symptoms, prevention and available treatment, please refer to the World Health Organisation or your national healthcare authority.