Hi Sounak Ghosh,
You can customize the ICT by the following KB:
Windows Storage Server 2012: Planning and Deployment
https://technet.microsoft.com/en-us/library/jj643306.aspx?f=255&MSPPError=-2147217396
Server Manager Extension Schema
https://technet.microsoft.com/en-us/library/hh825683.aspx
I’m glad to be of help to you!
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