hello aspirant,

YES, Polytechnic students can take admission in various Engineering Colleges for B.tech Courses after giving and clearing their National or state level Entrance level examination. The Entrance exams like JEE mains or Other state level Engineering entrance exams are required for admission in BE/BTech courses in engineering colleges.

Further, to know more about the B.tech course after Polytechnic, you can follow the below mentioned link to know more about it in detail : https://engineering.careers360.com/articles/b-tech-after-polytechnic#:~:text=Students%20who%20are%20interested%20in,various%20state%20level%20entrance%20examinations.

I hope that this will help.