Hi Sashi,
You can achieve this using below approach.
1. Create a new Copy Quote custom button using
Ribbonworkbench.
2.Create an HTML web resource and design it to get the quote details using xrmservicetoolkit.
3. Open this custom page using this
4. Once above steps are implemented, you can create clone of selected quote record.
Hope this helps.
If you find this post helpful then please "Vote as Helpful" and "Mark As Answer". Thanks and Regards, Mohammad Yusuf Ansari
http://microxrm.blogspot.in