'EY - Ecology and Evolution' is introduced from
GATE 2014 onwards.
'BT - Biotechnology' is introduced as a separate
GATE paper from GATE 2010 onwards.
For CS, EC, EE, IN, ME and PI papers of GATE 2013,
paper with code A is displayed.
For CE, CS, EC, EE and ME papers of GATE 2014, GATE 2015,
GATE 2016, and GATE 2017 papers for all sessions are combined together.
'PE - Petrolium
Engineering' is introduced from GATE 2016 onwards.