Ashwin has been one of India's prime performers with 11 wickets from five games at an economy rate of less than four in the ongoing World Cup.
"I have always been impressed with Ashwin as he is such a good student of the game with great work ethic. Look at the manner in which he creates a new delivery. He loves the game, thinks very hard, he is in a way cricket tragic, statistically motivated," Fleming said during a promotional event of the World Cup.
It was at CSK, in 2013 that Mohit Sharma's emergence started and no wonder Fleming is happy with his development.
"India has always had a weakness as far as their third seamer is concerned. They turned it to one of their strengths. Ishant Sharma went home, it could have been difficult for India. I have seen Mohit's development closely and his work with Andy Bichel (CSK bowling coach) has been impressive.
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Just like skipper Mahendra Singh Dhoni had said that a lot is being made of Suresh Raina's susceptibility against short-ball, Fleming also spoke in same vein.
"I don't think he (Raina) has any problems as such. If he initially spends some time, he can actually work that to his strength. May be there is an anxiety but it won't be a problem as far as the smaller grounds of New Zealand is concerned.