Lateral entry

Candidates who have completed graduation in computer related subjects can seek admission for MCA through lateral entry. Apart from this, candidates who have completed Diploma courses in computer applications along with work experience can also apply for this course. Minimum age limit for the course

Yes, you can get lateral entry after completing your diploma from Arka University. On the basis of last year's percentage of diploma, you will get admission.
Best of luck for your future and if there's any query, feel free to ask.

Yes, you can definitely join this college for B.Tech via lateral entry if you have completed Diploma in Engineering.

All the students getting admission to B.Tech course through lateral entry (i.e. after Diploma), will get the same course completion and degree certificate as other regular students i.e. after PUC or plus two. Hence, there is no disparity in degrees obtained by them.

Admission through lateral entry in Karnataka State is being done Only through KEA (Karnataka Examination Authority) and Diploma CET is a must. Hence, the fee for Lateral Entry students will be only as fixed by Govt. of Karnataka plus College Fee.

Yes, of course, you can do this. You are eligible for the same. Please apply for admission in any good college. You can use you work experience in your college life. You can join B.Tech.
Good luck