Hello Aspirant,

See if you are from EWS category and appeared for JEE-Main through EWS category then you can definitely use an undertaking in lieu of original EWS certificate but kindly note that if you upload the undertaking in lieu of EWS certificate then you will have to any how submit your EWS certificate by October 02 2021, if you would be able to do so then definitely you can use it otherwise it is not recommended.

You can get an undertaking from the link given below :-

https://drive.google.com/file/d/1FhXoxy40QswNEfJBLlgjldtSZXYJism-/view

When you will copy-paste and open this link in your browser a PDF file will appear and than you have to go to page number 17 for an undertaking in lieu of EWS Certificate.

Steps to apply for JEE-Advance 2021 :-

*** First of all visit the official site to register for JEE-Advance 2021:-

https://jeeadv.nic.in/jeeadvapp/root/loginpage.aspx

*** Now you will have login using JEE-Main 2021 Application number and DoB to the JEE-Advance portal.

*** Then you will have to fill some details whichever would be required there.

*** Now you will have to upload some documents like your marksheets, category certificate and so on.

*** Now comes the payment section, so now you will have to pay the application fee for JEE-Advance 2021 which goes like :-

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

https://engineering.careers360.com/articles/jee-advanced-application-form

You can use JEE-Main College Predictor to predict your chances of admission in different engineering colleges of India on the basis of your JEE-Main 2021 result :-

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

I hope this information helps you.

Good Luck!!