Do not worry about the buildings of Allen Kota. All buildings are good. These buildings are alloted according to your class and your batch. It can be samanvya, safalya or Sankalp. Any of them will provide you with the best of knowledge. 

So, do not worry about buildings. 

Every HOD is best at Allen Kota. If you are learning from any of the HODs, then you are quite lucky. 

Work hard under their guidance and you will reach your destination. 

Best of luck!!!