It also meant he was unable to bat as Pakistan, chasing a revised target of 289 in 41 overs in a rain-affected match, slumped to 164 for nine after India had piled up 319 for three in 48 overs.
That was not the end of the run spree, with Hardik Pandya hitting sixes off the first three balls of left-arm spinner Imad Wasim's last over of the innings. But while doing so, Dhawan was caught at deep mid-wicket by Azhar Ali off Shadab Khan in the 25th over, breaking their 136-run partnership.
Pakistan won the toss but nothing else went right for them as they dropped catches, persisted with bowlers who bled runs and folded inside 34 overs with the bat.
Pakistan, which only just qualified for the Champions Trophy when eighth in the International Cricket Council's ODI rankings, saw Azhar Ali make exactly 50 in 65 balls with six fours.
Besides Umesh, Hardik Pandya and Ravindra Jadeja had two wickets apeice, while Bhuvneshwar provided the first breakthrough.
Indian captain Virat Kohli said he "felt like a club batter" when teammate Yuvraj Singh was in full flow in the ICC Champions Trophy win against Pakistan here, crediting the left-hander for taking the pressure off him.
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"When it comes to the "danger-man" in their squad, I think Shoaib Malik is one player who plays spin really well".
A headline in The Hindu read "India knocks the stuffing out of Pakistan" with the newspaper calling the recent cricketing rivalry between the two neighbours "anything but competitive".
Wahab sustained an ankle injury during the 124-run loss (D/L) against India on Sunday and it now will keep him out for the rest of the tournament. Yuvraj smashed 53 off 32 balls.
But there was no denying the way India rose to the occasion in front of a capacity crowd as they recorded their seventh straight win over Pakistan at an International Cricket Council global event. But in the 33rd over, the skies opened up again and play was interrupted.
Incoming batsman Yuvraj Singh, true to his reputation, started thrashing Pakistani bowlers all around. The way Yuvi batted was the game-changing innings.
"We were in control for 40 overs but we lost the plot in the last eight overs", Sarfraz admitted. Amir kept things tight from one end during the first power play and did not allow Dhawan or Rohit to go berserk during the first power play.
Kohli said, "Quite delighted with all batsmen chipping in with runs".
"The man who stole the show with his brilliant hitting was none other than Yuvraj Singh".