Hello Aspirant

There are plenty of courses that you're eligible for. First of all, BTech ( Bachelors in Technology) and BArch (Bachelors in Architecture) these are the most common and famous courses for PCM branch.

Other than that, you can pursue honors jn any of the subjects English,  Mathematics,  Physics,  Chemistry, Computer Science etc. even interior designing would be nice career for you since you've studied engineering drawing.

These are just the famous courses related to you field you can even change your stream and do what interests you like Bachelors in Foriegn languages, Law, Bms, Bba and many more.

You can look for other courses as well in this link:

https://school.careers360.com/articles/courses-after-12th-pcm

Hope this answers all your queries

All the Best!