Please refer the attached document. This will give u a broad overview. We can later discuss the details once you are suitable interested.
37 freelance font une offre moyenne de $2919 pour ce travail
We are a group of professionals having more than 5 yrs experience having worked for clients like Tata,HLL,Cactus [url removed, login to view] can do the work for you.
We are having skiiled developers to carry out this project. We have already developed such packages in VB6 and so its not difficult for us to do in .Net. Kindly contact us for further discussion.