Rayudu while celebrating MI's win allegedly passed some comments on Patel that enraged the tall RCB medium pacer who tried to charge menacingly at the Mumbai batsman before his captain Virat Kohli physically stopped him.
Kohli later said that there was no need for Rayudu to approach Patel and say a few words to him when his team had won the game.
"He (Rayudu) should have instead walked to the dug out and celebrated the win with his teammates. That sort of reaction was not needed," Kohli told reporters at post-match press conference here.
The spat happened after Kieron Pollard smacked the winning four off Chris Gayle in the last over.
Kohli said that the ugly incident would not take sheen off the performance of RCB, saying that Mayank Agarwal batted brilliantly and hoped he showed the same form against Delhi Daredevils.
"Mayank has delivered for us at few occasions but today was a very special day," Kohli said.
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Meanwhile, Pollard played down the Harshal-Rayudu spat by saying that MI were an aggressive side and such incidents were part of cricket when far too many teams are battling it out to make to the play-off stage.
He, however, said that his team tried to patch up after the ugly event by shaking hands at the end of the game.