Answer Posted / maruf01

To avoid the unwanted access to various objects as well as data in SAP BW system.
To assign restricted access of data to report users.

to check the Authorization Mode in SPRO

For SAP BW 3.x - Obsolete concept with RSR authorization objects.
For SAP BI 7 or above - Current procedure with analysis authorizations.

SPRO path
SAP Customizing Implementation Guide
SAP NetWeaver
Business Intelligence
Settings for Reporting and Analysis
General Settings for Reporting and Analysis
Analysis Authorizations: Select Concept


to create authorization object for SAP BI 7

Go to t-code RSECADMIN
Select Maintenance button 

4 options are given
0 - Only the selected nodes
1 - Subtree below nodes
2 - Subtree below nodes to Level ( Incl. )
3 - Complete hierarchy
4 - Subtree below nodes to ( and Incl. ) Level ( Relative )

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