Hi Naveen,
You can give on any of the above topics as mentioned by our friends.
Also you can take any one specific topic which bring about change in the system and which are of relevant importance to the Project/Audience,Suggestions would be,
- Performance Enhancements .
- Upgrade and its impact.
- Standard and Customized datasources.
- types of Delta mode and delta based DS.
There are many more, you can choose on the relevance.
rgds
SVU