using System;

using System.Collections.Generic;

using System.Linq;                  

public class Program

{

    public static void Main()

    {

        string inputStr = "bharat electrical limited";

        // All are small letters

        inputStr=System.Threading.Thread.CurrentThread.CurrentCulture.TextInfo.ToTitleCase(inputStr.ToLower()); // Make them title case

        List<char> firstChars = new List<char>();

        foreach (string word in inputStr.Split(new char[]{' '},StringSplitOptions.RemoveEmptyEntries))

        {

            firstChars.Add(word[0]); // Collecting first chars of each word

        }

        string outputStr = String.Join("", firstChars);

        Console.WriteLine("Using For each loop   : {0}",outputStr);

        //Short way for this:

        string shortWord = String.Join("", inputStr.Split(new char[]{' '},StringSplitOptions.RemoveEmptyEntries).Select(x => x[0]));

        Console.WriteLine("Using LINQ   : {0}",shortWord);

    }

}