According to the DDC, the biography of Sir C.V. Raman would be classified in the 500s, which is the section for natural sciences and mathematics. More specifically, it would be classified in the 530s, which is the section for physics. The full classification number for the biography of Sir C.V. Raman would be 530.092.
Here is a breakdown of the classification number:
* 500s: Natural sciences and mathematics
* 530s: Physics
* 530.092: Biography of Sir C.V. Raman