JAP a Scientific and Logical Interpretation by Prof. Devinder Singh Chahal, PhD is a welcome addition to more than 200 commentaries on JAP written in various languages by different authors. I am pleased to note that Professor Chahal is in resonance (working on the same wavelength) with Professor Puran Singh. I also wish, like the author, that more scientific interpretations of JAP should appear in the future to propagate Nanakian philosophy of Sikh religion for ...
