New Delhi, Dec. 31 -- If the state of India-US ties in 2019 can be captured in an image, it would be that of Prime Minister Narendra Modi and President Donald Trump striding hand-in-hand before a cheering crowd of 50,000 people of Indian descent at the "Howdy Modi!" show in Houston in September. Acting Assistant Secretary of State Alice Wells, summed it up: "The trajectory of relations is on a steep upward climb. ... When you saw the president and Prime Minister Modi on the stage in Houston, it was really a celebration of what is best about our relationship."

Modi declared at the event, "You can hear the heartbeat of this great partnership in this celebration of the world's two largest democracies. You can feel the strength and depth of hu...