Hi,

This can only be answered by the officials of JEE even if I say that RBA comes under OBC category and it should be acceptable its still upon them if they allow or not. But what document did you upload for JEE mains registration ?.

Its better to get clarified so get in touch with them you still have time.

Zone Wise Institutes for Address of correspondence

IIT Hyderabad*

IIT Madras

IIT Palakkad

IIT Tirupati

Chairman

JEE (Advanced) 2021

IIT Hyderabad

Kandi, Sangareddy-502285

Phone: +91 40 23016802/6444

E-mail: chair.jee@iith.ac.in (mailto:chair.jee@iith.ac.in)

West

IIT Bombay*

IIT Gandhinagar

IIT Goa

IIT Dharwad

Chairman

JEE (Advanced) 2021

IIT Bombay, Powai

Mumbai - 400076

Phone: +91 22 25769093

E-mail: jeeadv@iitb.ac.in (mailto:jeeadv@iitb.ac.in)

North-Central

IIT Delhi*

IIT Jodhpur

IIT Jammu

Chairman

JEE (Advanced) 2021

IIT Delhi, Hauz Khas

New Delhi - 110016

Phone: +91 11 26591785

E-mail: jeeadv@admin.iitd.ac.in (mailto:jeeadv@admin.iitd.ac.in)

North-East

IIT Guwahati*

IIT Patna

Chairman

JEE (Advanced) 2021

IIT Guwahati

Guwahati - 781039

Phone: +91 361 2692795

E-mail: jee@iitg.ac.in (mailto:jee@iitg.ac.in)

Central

IIT Kanpur*

IIT Indore

IIT (BHU)

Chairman

JEE (Advanced) 2021

IIT Kanpur

Kanpur - 208016

Phone: +91 512 2597325

E-mail: jeeadv@iitk.ac.in (mailto:jeeadv@iitk.ac.in)

East

IIT Kharagpur*

IIT Bhubaneswar

IIT (ISM)

IIT Bhilai Organizing

Chairman

JEE (Advanced) 2021

IIT Kharagpur

Kharagpur - 721302

Phone: +91 3222 282102

E-mail: jeeadv@iitkgp.ac.in (mailto:jeeadv@iitkgp.ac.in)

North

IIT Roorkee*

IIT Mandi

IIT Ropar

Chairman

JEE (Advanced) 2021

IIT Roorkee

Roorkee - 247667

Phone: +91 1332 284272

E-mail: jeech@iitr.ac.in (mailto:jeech@iitr.ac.in)

Hope this helps.