It’s been six years for the arrival of main reason for India’s remarkable transformation and success under Kohli as Test captain has been agility of pace bowlers under his tenure.
Stats: Indian Pace Bowling Transformation under Virat Kohli

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It’s been six years for the arrival of main reason for India’s remarkable transformation and success under Kohli as Test captain has been agility of pace bowlers under his tenure.
From the time when Mansoor Ali Khan Pataudi played four spinners in a Test match in England to pacers leaving nothing for the spinners in a home Test, is a remarkable transformation. India always used to depend on the spinners in Red-ball format. But the likes of Mohammed Shami, Ishant Sharma, Bhuvneshwar Kumar, Umesh Yadav have proved their abilities and consistency in their line and lengths, making them as the deadliest pace unit in this cricketing era.