Exam

Dear Sharma,
Get top score in CAT examination, your academic credentials is not bad. You are good but you have to focus on CAT examination and its percentile.

You may evaluate private universities for doing BTech Aeronautical Engineering. Universities such as Manipal University, Amity university, Anna University are also good options for BTech Aeronautical Engineering. You may refer to following link for list of top Aeronautical Engineering colleges in In

If you want to apply for JEE Advanced or want to take admission in NITs, IIITs or IITs then yes, it is necessary to give improvement exam in all the subjects.

JEE Mains doesn’t guarantee any scholarship. It is solely for getting selected for BE/B.Tech institutes.

You can surely get into NITs of the north-eastern regions and certain state/central government funded institutes. You have to wait until the declaration of the AIR and the counselling results.

CAT is an online exam conducted in late November every year for applying to IIMs and other good B-schools in India. There are three parts in CAT- logical reasoning and DI, English and quant which comprises of 100 questions.

Yes, you can appear for Mains and Advanced after 2 years of your 12th standard.

It depends from one IIM to other. You must have above 96 %ile in CAT to get admission in top IIMs. It also depends upon your category if you are in reserved category.