Engineering

First and very important to get yourself into a reputed engineering college like NIT's you need to qualify the JEE (Join Entrance Exam) with the score of at least 200+ so that you can get admission in top B.Tech courses like CSE. IT, ME, etc. Also the most basic criteria is that you must have A minimum of 65% in Class 12 for SC/ST. After you are eligible according to the cutoff there will be a counselling process conducted by Joint Seat Allocation Authority (JoSAA). But also to remember that JEE main is a very competitive exam. Hope I answered your query well.

Well the mandatory criteria is that you must have 35% or above in secondary school Certificate examination of Maharashtra State Board of Education, Pune or any other equivalent examination with mentioned subjects and marks. (12th class). In case you want a direct Second year Admission:HSC Science/Vocational/ITI (2years) passed with 35% marks (subjects-PCM, PCB, PCMB). I hope you got answer to your question.

It depends upon the branch you choose.

80 percentile is required to get admission

It's different from different colleges but the basic fee structure id 1.25lpa.

You can get local autonomous colleges.

Okay you can get admission lovely professional University Punjab.

If you have good communication skills and knowledge don't need any IIT or IIT. These institutions just gives you a opportunity to learn and opportunities to place. Ifvyou have courage don't need of any iits.

First focus on what you are studying after that you have to choose which one is you most like don't be get confused.