Completed and Tested ( on drupalgapps.techbracket.net - jiitu.org ) Features :

A. Authentication token fetch using ClientLogin
        1. Make an Admin setting page
        2. Make forms
        3. Submit and show proper drupal messges
        3. Validate the forms and show error as per result
        4. Store thing in database
        5. WatchDog ing and Logging
        6. Permission Layer
        7. Dyanamic scheduling of  cron jobs
        8. Mailing on failure
The Code needs review.
More feature very soon