does chemistry ( cy ) include industrial, biochemistry and pharmaceutical chemistry to
Hello, Gate Chemistry with code CY doe snot include the above mentioned courses. You can check out the official syllabus from this link http://www.gate.iitg.ac.in/Syllabi/CY_Chemistry.pdf
While industrial exam is code PI, Biochemistry is XL-Q and gate exam for a pharmacy student is PY.
Hope this helps.