The exam is based on Physics taught at Graduation level. You have to prepare for topics like Electricity and Magnetism, Kinetic Theory and Thermodynamics, Oscillations, Waves and Optics, Mechanics and General Properties of Matter, Solid State Physics, Devices and Electronics, Mathematical Methods and Modern Physics. Because HCU is a Central University, we shall help you with the syllabus for M.Sc Physics for CUCET and that might help you as well: https://cache.careers360.mobi/media/uploads/froala_editor/files/MSCPhys.pdf