His Sri Lankan counterpart Rangana Herath picked more wickets ( 54 ) during the time period , however Ashwin 's stats were better .
Ashwin added 48 Test wickets to his career tally between 14 September 2015 to 20 September 2016 .
Ashwin 's Sri Lankan counterpart Rangana Herath picked more wickets ( 54 ) during the time period , Ashwin Ashwin 's stats were better .
Ashwin added 48 Test wickets to his career tally between 14 September 2015 to 20 September 2016 .