Hello hello ,

I hope you are absolutely fine and doing well in your studies. As per your mentioned query, The National Test Agency known as NTA may announce the exam date in November. After release the exam date you can check it on the official website of nta. Then according to that you can start your preparation. As if following the past trends exam will be conducted twice in a year.

I am mentioning a link where you can find out all the details about the exam.

https://engineering.careers360.com/articles/jee-main-exam-dates

I hope this will be helpful for you!!