Hello Aspirant,
You can fill self declaration by selecting the checkboxes given there, so if you suffer from any of the flu-like symptoms mentioned in the self declaration then select that option otherwise you should write NONE in the blank of "Others".
Then you should opt for any one of the option mentioned there depending upon your latest contact status that whether you have been in contact with any COVID-19 suffering person or not.
As per the guidelines for examination day of JEE:-
>>>> You should carry your Admit card along with one government ID proof.
>>>> Masks are compulsory in the wake of pandemic.
>>>> There you will have to maintain the distance of at least 6 feet.
>>>> When you will enter in the examination hall you will have to give your left hand thumb impression on attendance sheet.
For more detailed guidelines kindly check out the link given below :-
https://engineering.careers360.com/articles/jee-main-exam-day-guidelines
I hope you got it.
All The Best for your Examination :))
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