As it seems, it wasn't a rocket science. Still the manual work/ coding was intensive. I would like to share partial technical intricacies involved in the below sections.
- Architectural Guidelines.
- Design Considerations.
- Creating XML Schema (.XSD) from XML files.
- Create C# Class file from XML Schema (.XSD).
- Corrections in the generated classes.
- Serialzation add-on to the generated classes.
- Object Oriented Design Concepts.
- Web Service generated proxy issues.
- Jungle of Javascript.
- Asynchronous Callbacks.
- Security Guidelines.
[I will complete it soon as soon as I get enough time....]