Government & Defence Entrance Exam

The serial number of class 10th and class 12th marksheet is written on the topmost left hand side corner.
Hope this helps.

General Knowledge and General Awareness is based on Economy related matter as well. Keeping a view of this and finding out the structures if CGL exams or other competitive exams, it is suggested not to leave the budget topic.

TES, NDA, CDS.
These are the gateway for joining 3 different wings of Indian army. And to join as a pilot, you must go through these gateway.

You will have to appear for AFCAT exam which is conducted by Air Force for both Technical Entry and Flying Branch. After clearing AFCAT, you will have to go through AFSB before you get recommended by them for the position that you have applied for.
The AFCAT exam is a 200-mark exam and a merit is decided each time. Candidates who manage to clear that merit are called for AFSB at some designated Air Force stations. Allahabad, Varanasi, Mysore etc. are common stations for AFSB.

I think you can't go for Navy, because the eligibility criteria says that you must have qualified your 10+2 examination with minimum 60% marks in aggregate with Maths & Physics from an Educational board recognized by Central/ State government. And also, in entrance for the same (written section) also includes Science section.

Yes, you are eligible for MBA after any Bachelors if you have completed UG with minimum 45%. Yes, you are eligible for a government job as well but you need to take the required exam for government jobs.

You could apply for UPSC from the link mentioned below:
http://www.upsc.gov.in/apply-online.

Yes, you can go for government jobs.

Hi Lokesh,
Yes, of course. You just need to register yourself on the site, join Indian army. Well, the registration will start from around 5th June, and then you will be called for SSB, clear it and then clear medical. Get your name in merit list, then after 5 years of training, you will be an officer. Well, this entries name is Navy B.Tech entry for freshers just after school. Thanks.