New Delhi [India], November 24 (ANI): Virat Kohli's childhood coach Rajkumar Sharma called his former prodigy surpassing legendary Sachin Tendulkar's century record in Australia a "big achievement" and gave a special shout-out to stand-in skipper Jasprit Bumrah by branding him as the "number one bowler in the world."India soared to new heights in the Border-Gavaskar Trophy (BGT) series opener with a sensational all-round