Dear aspirant,
Aakash conducts AIATS keeping in mind not just neet but also alll other medical exams you have to appear like JIPMER and AIIMS. The question pattern is such that students will be prepared to appear any type of questions coming in any of the above mentioned examination. They want more of their students to be qualified in the entrance examination. This is their sole motto. 

We all know that AIIMS and JIPMER are quite a lot more difficult than NEET.The AIATS examination are supposed to be more difficult thn neet. But that is for your own benefit.
And as always, there is no harm in knowing a little extra. Might come handy someday.