Hello,

it is fine you have missed. you can apply again for april month. the application will releeased in feb-march month. keep track of it and prepare accordingly. If you don't keep track of details you will miss it. and every update is important for the whole process. there are many things need to be taken care of like documents,dates, uploading,payment and confirmation.

So keep track of it apply for the summer JEE exam.

Hope it helps!