As per the Reports yes physically disabled persons can also give Cee exam and in that some restrictions are also applied as that persons eye sight should be less as they mentioned in conditions apply.
And also some more restrictions are also there as they not clearly mentioned.
Assam CEE eligibility criteria :
Nationality: The candidates should be of Indian nationality.
Domicile: Should be permanent residents of Assam.
Age Limit: The candidates should be less than 17 years of age as on August 1, 2019. The maximum age limit is 21 years.
Qualifying Examination: Candidates should have qualified 10+2th (or equivalent) examination from Assam Higher Secondary Education Council (AHSEC) or any other equivalent examination. Additionally, the candidates should have passed the examination individually in Physics, Chemistry, Mathematics and English without any grace marks. They should have appeared for all of the subjects in the examination.
Required Marks: The candidates are required to score aggregate 50% collectively in Physics, Chemistry and Mathematics. SC candidates will have to secure 45% marks while ST candidates will have to score 40% marks.
Character: Should possess good moral character.
Physics and Mental Fitness: It is a requirement that the candidates should be in good physical and mental health.
The authorities provide age relaxation under special cases:
Those candidates who have completed their B.Sc degree will be eligible for one year age relaxation.
For SC/ST category candidates, there is an age relaxation of 3 years
I hope this helps.