Hello Aspirant,
This is a common problem that rises frequently. Same problem happened dirdurmy choice filling so after 1 week government give the students the chance to edit their form.
So you cam also edit your form easily when the notice of refilling will come.
You can go through our link given below where you will find all the information about the choice filling process,
https://engineering.careers360.com/articles/josaa-faqs
Good luck!
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