Somesh,
I'm not sure if this will work for you or not but I use iText to create bar codes. This open source project is actually for creating PDF files but barried inside the code is also a great object for creating bar codes.
The object will give you the flexibility to create bar codes in PDF files or just create a bar code image that you can use inside of your application.
Here's the link.
http://www.ujihara.jp/iTextdotNET/en/
Note: You can create several types of bar codes. Here's the types that I remember off the top of my head. 128, 39, 2D, UPC and USP Postal. There could be more you'll just have to go look for the code.
Hope that helps.
-James Walters