How to display text box value of custom form in Indian rupees format

Use the following code to get the text value to be assigned to the text box/label of the currency field in VS form. 

double aNumber = 2073635.00; 
System.Globalization.CultureInfo info = System.Globalization.CultureInfo.GetCultureInfo("hi-IN"); 
string str = aNumber.ToString("C2",info); 

And now str is: "(Rupee sign) 20,73,635.00"