I know there is already a guide available for installing CLOCKWORKMOD RECOVERY for XPERIA C but
video tutorials are always much much better than the writtten ones much because the user can see the complete process instead of
reading it and it also avoids confusion while doing something messy.
So I have made a video for installing CWM Recovery on Our device.
For detailed info and a written guide go here...
For things to be a little easy I have attached the recovery.img and Mobileuncle tools apk here ....
Here is the video tutorial
DO REMEMBER TO PRESS THANKS IF I WAS ABLE TO HELP YOU OUT