Hello Aspirant,

See as of now no guidelines have been issued for JEE-Advance 2021 but if we go through the guidelines of JEE-Advance 2020, then there is no need of any passport sized photograph instead you have to carry following items along with you to the center :-

**** Printed copy of the downloaded admit card

**** Atleast 1 Original Photo Identity Card - Aadhaar Card, School/ College ID, Driving Licence, Passport or PAN Card

**** Black ball point pen with transparent body

**** Pencils

**** Eraser

**** Simple Analog Watch is allowed/Transparent water bottle

For more details kindly check out the link given below :-

JEE Advanced 2020 Exam Day Guidelines (careers360.com)

I hope this information helps you.

Good Luck!!