var studentname = Objstudent.OrderBy(x => x.Name).ThenByDescending(x => x.RoleId);

using System;
using System. Collections;
using System.Collections.Generic;
using System. Linq;
using System. Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
//Create object ObjStudent of the Student class having the list of the student information
            List Objstudent = new List()
            {
                new Student() { RoleId=1, Name = "Suresh Dasari", Gender = "Male", Subjects = new List { "Mathematics","Physics" } },
                new Student() { RoleId=2, Name = "Rohini Alavala", Gender = "Female", Subjects = new List { "Entomology", "Botany" } },
                new Student() { RoleId=3, Name = "Praveen Kumar", Gender = "Male", Subjects = new List { "Computers","Operating System", "Java" } },
                new Student() { RoleId=4, Name = "Sateesh Chandra", Gender = "Male", Subjects = new List { "English", "Social Studies", "Chemistry" } },
                new Student() { RoleId=5, Name = "Madhav Sai", Gender = "Male", Subjects = new List { "Accounting", "Charted" } }
            };
    //ThenByDescending() operator is used to sort the information of the student in the descending form
                var studentname = Objstudent.OrderBy(x => x.Name).ThenByDescending(x => x.RoleId);
                foreach (var student in studentname)
                {
                    Console.WriteLine("Name={0} StudentId={1}", student.Name, student.RoleId);
                }
                    Console.ReadLine();
         }
     }
    //create a student class
    class Student
    {
        public int RoleId { get; set; }
        public string Name { get; set; }
        public string Gender { get; set; }
        public List Subjects { get; set; }
    }
}