HI Nisha,
SM_CRM is the CRM UI screen , so it will open only the relevant t.type .so only SMIN will open in the SM_CRM.
SLFN t.type not able to open in sm_crm, use the old ways to check the details in the SLFN.
Please check the below document for Transition from SLFN to SMIN.
https://websmp201.sap-ag.de/~sapidb/011000358700000514762011E.PDF ( pd -46)
Rg,
Karthik