Hello Aspirant,

The jee mains eligibility criteria is as follows -

1. Candidates should pass from any recognised board or University.
2. Candidates should opt for physics chemistry and mathematics as mandatory subjects.
3. Candidates should secure a minimum of 75 percentage in the class 12th examination in aggregate.

The ahsec board is a recognised board so you need not worry about this. You are absolutely eligible for jee mains provided you have fulfilled the above eligibility criterias.