Following are the comments for the queries raised by Prof. Pawel E. Tomaszewski on our published paper entitled “Structural, Optical, and Electrical Properties of Zn-Doped CdO Thin Films Fabricated by a Simplified Spray Pyrolysis Technique” by K. Usharani and A.R. Balu published in Acta Metall. Sin. (Engl. Lett.) 28(1),64-71 (2015):