Hi Sambit,

M.Sc. in Astrophysics is a full-time postgraduate course which covers both theoretical and observational aspects of astrophysics, with the course modules consisting of one compulsory module focused on building research skills in Astrophysics, and a variety of different optional modules that focus on topics such as Stars and Nebula, Gravitational Dynamics, and Accretion Physics.

so, if you pursue b.sc in physics for your graduation level than it will be very much helpfull for you in your msc in astrophysics.