Indexer with C#

//Implementation of Indexer C#


    class State
    {
        //class member
        private string name;
        private string[] places = new string[3];

        //setting the properties
        public string Name
        {
            get { return name; }
            set { name = value; }
        }

        public string this[int index]
        {
            get { return places[index]; }
            set { places[index] = value; }
        }

        public void DisplayAllPlaces()
        {
            Console.WriteLine("The Places of " + name + " State:");
            foreach(string place in places)
            {
                Console.WriteLine(place);
            }
        }
    }
    internal class Program
    {
        static void Main(string[] args)
        {

            State s = new State();
            s.Name = "Bagmati";
            s[0] = "BalKumari";
            s[1] = "Kalanki";
            s[2] = "Imadol";
            s.DisplayAllPlaces();

            Console.ReadKey();
        }

    }