Hi Vijay,
Check below links for CCLM
how to guide
https://service.sap.com/~sapidb/011000358700000426872012E
1547234 - Technical configuration of Custom Code Lifecycle Management
SAP Solution Manager WIKI - Custom Code Management - Solution Manager - SCN Wiki
https://websmp206.sap-ag.de/~sapidb/011000358700000426872012E
hope this helps
Thanks
Prakhar