New Delhi, May 12 -- Cheteshwar Pujara, who served as the backbone of the Indian batting order, believes that for Virat Kohli, the "ultimate format" of the game, was Test cricket and he put in a lot of hard work.

On Monday morning, the cricketing world was taken by surprise as Virat took to Instagram and penned an emotional note to announce his retirement from Test cricket, marking the end of his 14-year-long journey, a story of hardship, grit and resilience.

"He paid a lot of attention to the Test format in the era where all the youngsters were looking to play more of white-ball cricket. For Virat, the ultimate format of the game was Test cricket, and for that, he worked really hard," Pujara told ESPNcricinfo.

Pujara emphasised the im...