Diploma

Firstly, you need to decide on the college in which you are planning to take admission. Mostly, the colleges ask for graduation with any stream from any recognised university.

Please check for your eligibility to appear for the LEET exam from the criteria mentioned below:
DTU LEET 2018 Eligiblity Criteria:
The candidates seeking admission to the B.Tech lateral entry programmes should possess a state Diploma of three years in any branch of engineering or equivalent examinati

10+2 or equivalent 10+ 3 years diploma. In Government college you need degree from science. But private institute takes 10+2 or in some cases just SSC passed student.

Having any degree or Diploma is always going to help you in future. This is your time to grasp knowledge from books as much possible as you can. I will suggest to go for degree as well.

Hi,
Eligibility
Candidate must have passed 10th from a recognized board.
Admission Process
Written Test
Eligible candidates need to appear for the Written Test conducted by the college.
Group Discussion & Personal Interview (GDPI)
Shortlisted candidates will be called for Group Discussion and Personal Inte

Aviation Management
Pilot Training
These Diploma courses you can do
Colleges -
Institute of Logistics and Aviation Management, Delhi
Indian aerospace and engineering, navi Mumbai
JT aviation academy, Kolkata
Please upvote.

Through Lateral Entry (which enables to get directly admission in 2nd year) is gateway for your admission after pursuing Diploma degree. Various universities have their own norms regarding lateral entry admission.

Yes, you can get but its better to try for top government colleges.

No. Diploma in IT is a 3 years after 10th and 2 years after 12th or ITI.