For two and a half decades, it has been a top and consistent goal for the United States — across very different presidencies — to encourage the rise of India.

As New Delhi takes the global stage by leading the Group of 20 summit, U.S. President Joe Biden will be there as a cheerleader, even as policymakers in Washington come to accept that India's interests will at times be at odds with Washington's.

The gathering comes the same year that India topped China as the most populous nation and surpassed its former colonizer Britain as the fifth-largest economy, with Prime Minister Narendra Modi being feted on visits to Washington, Paris and elsewhere.