Comment on December 2016 CU for SharePoint 2010 product family is available for download by Stefan Goßner

Hi Sanket,
not every SharePoint CU includes a change for the config datababase schema.
So you cannot expect that the config DB schema version number is in sync with the build number for the CU.
See here for details:
https://blogs.technet.microsoft.com/stefan_gossner/2016/08/23/sharepoint-does-not-have-a-build-version-full-stop/
Cheers,
Stefan