I did not apply for JEE in January. Am I eligible to apply for JEE in April?

Yes absolutely, the exam conducting authority National Testing Agency NTA from this year will be conducting JEE Main twice a year (January and April). If a student by any reason misses the first attempt, he/she can fill the application form for the second attempt. A student who has given JEE in Janu

Yes, you can appear for JEE Mains exam in April in case you have missed it out. The purpose of conducting the exam twice was itself the same. So, do not worry and prepare well.