''Moral of the story - Believe in yourself and don't take overseas coaches too seriously," tweeted the former Indian medium-pacer.
The ex-Indian head coach also revealed that he was offered a new contract by the BCCI but did not take it up because he did not "need that kind of stress".
Chappell also said that both India and England have overtaken Australia as the best side in recognising young talent and providing them a platform to succeed.
"Kohli is a proponent of all-out aggression. His idea is to dominate the opposition. He embodies the new India," wrote the former Australian captain and ex-India coach.
Chappell also revealed that the wicketkeeper-batsman "exceeded" all his expectations and was the best Indian captain that he has seen.
Chappell was coach of the Indian team for two controversy-riddled years between 2005 and 2007 in which he clashed with several senior members of the team, especially then-captain and current BCCI President Sourav Ganguly.
A glance at a few Tests that have have attained special status due to the retirement of prominent players.
Earlier, Chappell had spoken of an incident when he had instructed a young Dhoni not to hit sixes till the target came down to single digit.
The former India coach also rated Dhoni as the best finisher in the history of the game.
The psychological impact that his mere presence created can never be described.