Diploma

No, it's not possible. You've done a Diploma, do you've to pursue engineering after Diploma to gain full degree. You can only enter 2nd year of B.Tech CSE/IT.

Either go for M.Sc or MBA as per your choice.

To know the fee structure and other details about diploma in automobile engineering at Amity University, you may refer the link below :
https://www.amity.edu/greaternoida/course-details.aspx?fd=Z3Y3y8izjvhzUct00aZKHQ==&cfn=cqz8/j4uud0=

Diploma after doing BE. Duration of the course varies from 6 months to 2 years. Eligibility for the Diploma is class 10th pass with minimum 50%. A few good institutes, which you can consider for doing Diploma are:National Institute of Fashion Technology
National Institute of Design
Lovely Professional

Duration of the course varies from 6 months to 2 years. Eligibility for the Diploma is to pass class 10th pass with minimum 50% marks. A few good institutes which you can consider for doing Diploma are:National Institute of Fashion Technology
National Institute of Design
Lovely Professional University

A few good institutes which you can consider for doing Diploma are:National Institute of Fashion Technology
National Institute of Design
Lovely Professional University
National Institute Of Interior and Fashion Technology
Institute of Apparel Management
International School of Design
Indian Institute of F

B. Ed is Pass with 50% aggregate marks in Bachelors Degree or Masters Degree in Sciences or Social Sciences or Humanities or Commerce or equivalent
Or,
Pass with 55% aggregate marks in B.Tech or BE with specialization in Science and Mathematics or equivalent (Candidate must have studied the subject of

10+2 is the basic qualification for pursuing most of the PR and journalism courses. There are certificate courses which don't have credibility. I would not advise you to go for those certificate courses.