Hello Dear,

Yes, you can join B.E or B.Tech in Mechanical Engineering in 2nd year after Diploma in Plastic Mould Technology through lateral entry scheme. You need to appear and qualify in the Lateral entry entrance exam for admission. The duration of the course is 3 years. I am sharing a link for more information you can visit through the link

https://engineering.careers360.com/articles/b-tech-after-polytechnic

Good Luck