Hi Chandra,
Yes there are other ways to kill BOBJ Session using script, please refer below KBA for your reference
1834664 - How to kill session using Java SDK in BusinessObjects Business Intelligence platform 4.0
https://service.sap.com/sap/support/notes/1834664
1886165 - How to terminate user session manually in XI 3.1 and BI 4.0?
https://service.sap.com/sap/support/notes/1886165
1668750 - Sessions not being released in SAP Business Intelligence Platform 4.0
https://service.sap.com/sap/support/notes/1668750
Thanks,
Daya