Aakash institute is good coaching institute.
It has great acadmic teacher .mostly engineers & doctors.but study materials are bad as it has so many questions so that no one can solve these questions.
Questions are start from so basic to high level, such that no one can solve these large amount of question in one year.physics booklet is best.chemistry booklet is good but maths studymaterial is not good.
So, I think aakash institute is good for two year program, one year program has limited time to solve all questions of studymaterial.