Chinaman Kuldeep Yadav who took 10 wickets in six games climbed three spots to sit at No.3 on the list
Australia opener David Warner is sixth, 24 points behind Root and Williamson, after his scores of 103 and 86 earned him 30 points.
Jadeja's career best 10-wicket haul against England helps him vault to the second position
The Virat Kohli-led side can't be overtaken this year since the team rankings are updated only at the end of each Test series
Another good performance in the second match in Kolkata will propel him to the coveted top spot