Hey Yuvraj

IISER Aptitude date has been changed to 12th August (From 9am to 12pm).

The last date for receiving online application for SCB is July 22, 2020 and the application portal will close at 5 pm.

For more details you can write to them at IISER2020.helpdesk@gmail.com

I hope this helped. Incase you want to know more you can comment below.