Indians learn to communicate just fine. They are rising quickly in many companies and becoming senior management.
http://blogs.wsj.com/digits/2015/08/...techs-c-suite/
"That they all ascended to the corner office might not be a coincidence. A recent cross-cultural study from Southern New Hampshire University examined managers from the U.S. and India, for example, and found that more Indian managers achieved the highest ranking in terms of leadership traits.
Indian managers are future-oriented, and had a “paradoxical blend of genuine personal humility and intense professional will,” the study said. “These leaders achieved extraordinary results and built great organizations without much hoopla.”"