Can a Diploma holder apply for MHT CET to get admission into the first year of engineering courses?

Yes, Diploma holders are eligible for MHT CET to get admission into the first year or lateral entry of engineering courses. MHT CET Eligibility Criteria for Bachelor of Technology course: Candidates must have passed the HSC (10+2) or equivalent exam with Physics and Math as compulsory subjects with

Yes, you are eligible for MHT CET. Although you can also get into B.Tech lateral entry for Diploma holders.

Yes, a Diploma holder can apply for MHT CET to get the admission into the first year of engineering courses.