This refers to all Tests in the calendar year 2016.
Overall all-round performance (see criteria below):
Ashwin deservedly leads this list, followed closely by Stokes.
All-round performance in matches (at least one fifty and one five-for):
The list of 6 instances includes 2 by Ashwin and 2 by Jadeja. Chase made a match-saving century and took a fiver in his 2nd Test. Dilruwan Perera and Jadeja performed the less common double of a fifty and 10 wickets in a match. Jadeja was the only one of the 20-odd of these players (who took 50/10wm) to take more than 2 catches.
Over to 2017.