Hi Aspirant! The basic qualifying criteria for Assam CEE 2019 is that a candidates should have qualified 10+2th (or equivalent) examination from Assam Higher Secondary Education Council (AHSEC) or any other equivalent examination. In addition, the candidates should have passed the examination individually in Physics, Chemistry, Mathematics and English without any grace marks. Also, they should have appeared for all of the subjects in the examination. 

Required Marks: An aspirant is required to score aggregate of 50% collectively in Physics, Chemistry and Mathematics. SC candidates will have to secure 45% marks while ST candidates will have to score 40% marks. 

for more details, kindly visit the given link:

https://engineering.careers360.com/articles/assam-cee-eligibility-criteria

I hope it helps!