Rain and thunderstorms are forecast for the capital on the summit's opening day.
Leaders from Brazil, China, Egypt, Ethiopia, Indonesia, India, Iran, Russia, Saudi Arabia, South Africa and the United Arab Emirates will attend.
The weather service issued warnings for lightning and strong winds.
Travelers should allow extra time and stay updated on weather alerts.
The India weather service forecasts heavy rain, thunderstorms and lightning across the city.
Roads may become difficult to travel, so commuters are advised to plan for possible delays.
The summit focuses on building resilience, innovation, cooperation and sustainability among the participating countries.
Want to learn even more? Click here to read the full story!