विराट कोहली के लिए कोई भी लक्ष्य पाना मुश्किल नहीं: रवि शास्त्री | क्रिकेट की बात

India's head coach Ravi Shastri has heaped special praise on Virat Kohli after he notched up his 50th International century in Kolkata and said: "sky is the limit" for the skipper who stands at the ha