Introduction to Mathematical Physics & Classical Mechanics ( गणितीय भौतिकी एवं क्लासिकल यंत्रिकी का परिचय ): e-Book for B.Sc 1st Semester for Bihar State

Physics ( Paper -I ) Solid State & Nuclear Physics: e-Book for B.Sc 6th Semester for U.P. State Universities: Common Syllabus

Basic Electronics & Introduction to Fiber Optics (Part-B) (Bilingual Format): e-Book for B.Sc 4th Semester for U.P. State Universities: Common Syllabus