Hi Prasad,
Two of the ways to do this are:
Create the package in the DTS Designer and save it as VB Code. You can open the code file and integrate it into your project.
The other way is to load and execute the dts package from vb. Here is a detailed example:
http://www.sqldts.com/208.aspx
Norman Kelm
DTS Package Search
http://www.dtspackagesearch.com/