Need help in Power Bi Gateway connection setup to pull from IBM CloudPak Data?

Hi NehasPasha  - 

Download & Install the Power BI Gateway (Standard Mode) from Microsoft:

Download On-premises data gateway from Official Microsoft Download Center
Install it on a machine that has network access to IBM Cloud Pak for Data.

reference links:

Solved: IBM DB2 through Power BI gateway - Microsoft Fabric Community

Using IBM® App Connect to interact with Microsoft© Power BI

Microsoft Power BI (Azure) connection - Docs | IBM Cloud Pak for Data as a Service

Connect to cloud data sources in the Power BI service - Power BI | Microsoft Learn