Why Umpire's call has become major source of controversy in India vs England series? | Sports Today

Why Umpire's call has become a major source of controversy in the ongoing India vs England series as on Day 3 of the fourth Test, Joe Root was given not out but the decision had to be over turned

Why Umpire's call has become a major source of controversy in the ongoing India vs England series as on Day 3 of the fourth Test, Joe Root was given not out but the decision had to be over turned