India's controversial former cricket coach Greg Chappell claims the biggest regret of his tumultuous three-year stint there was the fallout with seniorbatsman Sachin Tendulkar with whom he simply failed to "communicate" properly.

Chappell, who served as India coach from 2005 to 2007, admitted in his new autobiography 'Fierce Focus' that he tried to push hurried improvements in the team which led to his downfall, especially after his relations with senior players such as Tendulkar soured.

Also read on rediff.com: Chappell spills beans on bitter relationship with Ganguly