I was a diploma student in this particular stream. i.e. Electronics Engineering, the percentage I got was for 70%. Apart from that you won't required any entrance examination to appear for securing exam.
For the 12th student, JEE mains is the criteria and for a diploma, student minimum is 75% (aggregate) or more required to get admitted in computers department Cutoff range is from 70% to 75%
Eligibility criteria : For 12th it's 75% & Above For Diploma it's 75% & above Admission process : Online DTE form / Offline Cutoffs : 75% & above.
For taking admission in engineering, eligibility criteria is to score good marks in CET and JEE main.