The heartbeat of a billion: What Virat Kohli meant to India4 days ago Share Save Ayaz Memon Cricket writer Share SaveWatch: India's Virat Kohli: A modern-day great in Test cricketVirat Kohli's retirement from Tests has left Indian cricket beleaguered and the sporting world gasping in surprise. Getty Images Kohli bows out of Test cricket as one of the defining players of his generationVengsarkar's approving eye earned Kohli an ODI debut in 2009. In Test cricket, winning 40 of the 68 matches he led in, making him the fourth most successful in the format. Chappell marks him out as the most influential Indian captain, ahead of even Sourav Ganguly and M S Dhoni. Former India captain and chief coach Ravi Shastri, who collaborated with Kohli for years, gives first-hand perspective.