Hello Rahul,

To get a seat in Punjab University, Chandigarh you have to qualify the required exam through which Punjab University takes admission for its B.E./B.Tech courses. Now, since they take admission through JEE Main exam so you have to first appear for JEE Main exam, clear the exam and then use your JEE score/rank to get seats in Punjab University. You can go through this link and checkout the details about JEE Main :  https://engineering.careers360.com/exams/jee-main

Now, in Punjab University you will get the folloeing courses for B.E./B.Tech - 

• B.E. Electronics and Communication Engineering
• B.E. Computer Science and Engineering
• B.E. Information Technology
• B.E. Chemical Engineering
• B.E. Bio-Technology
• B.E. Electrical and Electronics Engineering
• B.E. Mechanical Engineering
• B.E. Civil Engineering
• B.E. Food Technology

You can also go through this link and check the details about Punjab University : https://www.careers360.com/university/panjab-university-chandigarh

Good Luck !!!!