My_Test_Repo/force-app/main/default/classes/CallingbatchClass.cls

public class CallingbatchClass{
    public static void CallingbatchMethod(List<Contact>clist){
        for(Contact c:clist){
            if(c.Email!=null){
                Database.executeBatch(new CallingFromTrigger(clist));
            }
        }
        
    } 

}