I am in 12th standard.I am in confident to get's qualify in jeemains,but I am dreamed to study in iiit in Hyderabad or in NlT universities,

If you are confident of cracking and qualifying JEE Main, then for admission to IIIT Hyderabad, you need to apply separately for B.Tech programmes on the basis of JEE Main scores. The application for IIIT Hyderabad B.Tech admission will be available in the firast week of May. Check all other details on this link here - https://engineering.careers360.com/articles/iiit-hyderabad-btech-admission

For NITs, you have to undergo choice filling at the time of JoSAA counselling 2018 and fill as many choices as you can as per choice and priority of B.Tech branch and the NITs you want seat in.

If you have dream to study in NITs or IIIT Hyderabad then try to score good marks in JEE Main.

You should be dedicated and hard working to acheive your goal.

To score good marks in JEE Main make sure your concepts are clear. You can take help of NCERT books to work on your concepts. After, that you can refer other recommended books.

Solve previous year papers to understand the exam pattern and level of questions. You should also solve mock test series to analyse your preparation level at regular interval of time and to know your strength and weakness. So, you can work accordingly.

Work on your time management as well to increase your speed and accuracy.

You should focus on the topics which carries more weightage in the exam. Solve MCQs related to it for your practice.

If you want to take admission in IIIT Hyderabad and good NITs you should try to get more then 220 marks in your JEE Main exam in general category other state quota. Cut off also varies according to branches.

Good Luck!!