hello Rashmi





as you choose engineering catogery as i see in your profile ,so you must be asking about jee main,so



form filling of jee main should be done by going on there official website i.e



jeemain.nic.in



well for knowing step by step process you can visit the below link



https://engineering.careers360.com/articles/how-to-fill-jee-main-application-form



and for detail syllabus of jee main, you can visit this link



https://engineering.careers360.com/articles/jee-main-paper-2-syllabus-2019



Hope this will help you!

further ask your queries if you have