Good suggestions by Sreekumar
You will have to make a detailed policy and plan for the innovation portal., which should cover the following aspects.
1.CATEGORIZATION OF INNOVATIVE IDEAS- It could be department wise Or type of innovative idea wise like creating new process, suggesting improvement in existing process etc.
2.PROCESS TO SUBMIT THE IDEA-a structured format for the employee to submit the idea.eg. what is the idea, why needed, what are its benefits etc.
3.APPROVAL TEAM :who would be part of approval team and what would be basis of approval.
4.TRACKING OF THE IDEA SUBMITTED AND TIME LINES-employee should be able to track the idea submitted and there should be defined timelines to know whether his idea is submitted or not.
5.REWARDING THE IDEA SELECTED AND IMPLEMENTED.
hope it will help you to some extent
Regards,
Richa