"I have very little knowledge about the differences between Virat and Anil. But it is a really sad day for Indian cricket," Gavaskar said.
"India have won everything since the time Anil took over. I can't see Anil doing much wrong in one year. Difference happen in any team but see at the results," he told NDTV.
During his playing days, Kumble was known as a feisty fighter, even winning matches by bowling with a broken jaw, and Gavaskar wondered why he did not stand up this time.
"I know that the CAC met Virat and had a very long session with him," Gavaskar added.
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"Anil's experience as a player and as an administrator needs to be utilised. CAC should be doing more for Indian cricket than just selecting the coach."
"It is for the Cricket Advisory Committee (CAC) to take a call on that," said Gavaskar.