"If he were an Indian, probably he would not have got an extension. If you look at the past, everytime an Indian coach didn't do well in a series, he was removed," he said.
"During his (Fletcher's) tenure, India suffered heavy losses in Australia and England. India also could not win the Asia Cup despite being the world champions. Well, India didn't win any title during his tenure. India didn't even qualify for the knockout stage of T20 World cup," Gavaskar told NDTV today.
"Good luck to him on his extension. I hope he will try and improve his record," Gavaskar said.
"Once team is selected, it is not fair to comment. It can demoralise the players. Before the selection, one can debate but after selection we need to back the team. Now that he has got an extension, we need to support him," he said.
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"It makes sense to have him till the next World Cup as it will be difficult for a new coach to have a positive change before the World Cup in one year," he added.
Gavaskar also lauded the Indian bowlers for reducing Australia to 273 for seven on the second day of the third test especially after the visitors got on a flying start.
"After the start they got, it was ideal for them to end the day at 290-300 for four but India did bowl well. Jadeja got the wickets but credit should be given to skiper Mahendra Singh Dhoni too for the catches.