21/09/2018
GATE 2019 application closing date has been extended to 22.09.2018 which was previously on 21.09.2018.
So you can apply without increase in application fee till 22.09.2018 or you can apply with increased application fee between 23.09.2018 and 01.10.2018.
For more details visit official website
GATE 2019 organising institute