Hi Sachin,
We have been working on codeIgniter for few years and developed some very good applications. Please visit our portfolio page " http://www.freelancer.com/u/Deepala.html?page=portfolio" for experience details. All applications I mentioned in portfolio are Code Igniter based.
Forward me your requirements and consider your work will be done in time. Contact me to discuss more.
Thanks & Regards,
H K Srikanth Deepala.