Hi
Try this
class Program
{
static void Main(string[] args)
{
string name = "Ashutosh Kumar Singh";
int firstIndex = name.IndexOf(' ') + 1;
int lastIndex = name.LastIndexOf(' ') + 1;
string shortName = name.Substring(0, 1) + ".";
shortName += name.Substring(firstIndex, 1) + ".";
shortName += name.Substring(lastIndex);
}
}