Hi Prithvi Raj,
Check the permissions of the SSFS direcotries it should be readable by your sidadm
check the key and data file in directories
. usr\sap\<SID>\SYS\global\security\rsecssfs\data
usr\sap\<SID>\SYS\global\security\rsecssfs\key
and has below environment parameters
Profile parameter : rsdb/ssfs_connect = 1
Environment variable: rsdb_ssfs_connect 1
Check this thread for reference.
Let us know the outcome of same.
Regards,
Ram