Sri Lanka will look towards veteran Lasith Malinga to deliver with the ball and get them back on the winning path after their horror showing in the three-Test series.
Considered one of the greatest finishers in 50-overs cricket, Dhoni will join India's elite 'Club 300', which has Sachin Tendulkar (463), Rahul Dravid (344), Mohammed Azharuddin (334), Sourav Ganguly (311) and Yuvraj Singh (304).
If the home fans had hoped the change in format would bring a change in fortune, they were left bitterly disappointed with India breezing to their 217-run target in under 29 overs.
This is Tharanga's second ban in recent times after he suffered a similar two-match ban for slow over-rate in the Champions Trophy when he had led the side against South Africa in the absence of then-skipper Angelo Mathews.
It remains to be seen if reserve opener Ajinkya Rahane, the only player not to get a game in this series, would be included in place of Rohit Sharma or Shikhar Dhawan.
The visitors have a 2-0 lead in the series and can wrap up the contest with another win here before leaving for the last leg of the tour in Colombo.
The hosts have hit nadir in both form and confidence, and, after a lop-sided 3-0 Test series victory, the script did not change much in the opening ODI, where India steamrolled the opposition by nine wickets.
Any other result than India's resounding win looks highly unlikely, consdering the visitors' rampaging run in the preceding Test and ODI series, where they whitewashed the hosts 3-0 and 5-0 respectively.
Sri Lankan batting once again promised a lot but delivered too little losing as many as seven wickets for 53 runs after they were cruising along at 185 for 3.
India will begin the journey to identify the core of their 2019 World Cup squad when they square off against a low-on-confidence Sri Lanka in a five-match ODI series, starting in Dambulla, on Sunday.
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