is it possible to crack aiims through ncert only

Getting admission in aiims is tricky. For biology, yes ncert is the best study material for the basic concepts. To practice questions on ncert biology, study Arihant Sanjay Singh book on questions on ncert biology. It has questions on every line of the ncert biology book. For physics I would prefer to practice DC pandey book . Ncert will not help you in this. For chemistry ncert is fine but practice problems from Arihant question samples for aiims