By Peter Thal Larsen
The author is a Reuters Breakingviews columnist. The opinions expressed are his own.
The India cricket team's opening batsman Shikhar Dhawan has spent more time in the dressing room than the crease lately. The extended poor form of the left-hander, who saw a dream run with his batting back in 2013, is one of the major concerns as India embarks on a journey to defend their cricket world cup title.