Another angle is to check if "R Ganesan" is a typo or another name. Sometimes names can be misspelled, so verifying that could be helpful. If there's no such book, I can inform the user and offer other resources.
I should also provide some general guidance on research methodology for engineers. Maybe outline common topics covered in such textbooks—research problem identification, literature review, data collection methods, analysis techniques, etc. This way, the user gets useful information even without the specific PDF. research+methodology+for+engineers+r+ganesan+pdf+exclusive
Finally, I should structure the response to first address the possible availability of the book, discuss copyright concerns, provide legal access routes, and offer a general overview of the content they might expect from such a textbook. That way, the user gets a comprehensive answer that's both helpful and compliant with guidelines. Another angle is to check if "R Ganesan"