hii Aman ,

Form for rajasthan university in M.Sc. specific subject will be available on official site of CUCET . You need to visit official site for further detail .

link -https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.cucetexam.in/&ved=2ahUKEwjll5massPjAhVD4XMBHUI5AsoQFjAAegQIBBAD&usg=AOvVaw1hgA5s1ySXlF8iTFc9Emyb

hope it help!!