Warner revealed that he has been fined during a radio interview after yesterday's match which Australia won by four wickets.
The swashbuckling opener said although getting involved in the altercation was not right but maintained that he did nothing wrong by asking Rohit to speak in English.
The showdown took place at the end of the 23rd over of India's innings when Rohit charged for a single on an overthrow, much to the displeasure of the Australians.
"A few of the boys said something to him and when I went over to say something he sort of said something in their language and I said 'speak English', because if you're going to say something for me to understand theoretically, I cannot speak Hindi.
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"So I did the polite thing and asked him to speak English, therefore he did, and I can't repeat what he said. I thought I was okay by asking him to speak English and I'm going to say it a couple of times if he keeps saying it in Hindi. I got slapped on the wrist yesterday by the ICC, I shouldn't have engaged him and should have went to the other side to my fielding position, but I didn't," he recalled.
"The guys behind the wicket said it hit him. I walked in because I presumed it hit him as well. I was in the wrong. What he was saying to me I asked him to speak English," he said.