India coach Ravi Shastri and skipper Virat Kohli. Pic/Atul Kamble

India's head coach Ravi Shastri feels that the sheer impact of Virat Kohli's brilliance makes him "world's best batsman" at the moment. Kohli along with Joe Root, Kane Williamson and Steven Smith are considered to be the four top batsmen in world cricket but Shastri feels that the Indian skipper is in a league of his own.