Downgrade from oracle 11gR2 to oracle 11gR1 using Datadump i.e expdp

Downgrade from oracle 11gR2 to oracle 11gR1. Please follow up below table to downgrade with version parameter.

Exporting from Oracle Database 11g Release 11.2 and Importing Into Oracle Database 11g Release 11.1, 10g Release 2, or 10g Release 1

Export From	Import To	Export Version to Use	Import Version to Use
Release 11.2	Release 11.1	Data Pump Export Release 11.2 with VERSION=11.1	Data Pump Import Release 11.1
Release 11.2	Release 10.2	Data Pump Export Release 11.2 with VERSION=10.2	Data Pump Import Release 10.2
Release 11.2	Release 10.1	Data Pump Export Release 11.2 with VERSION=10.1	Data Pump Import Release 10.1