Hi Venkat,
For browser compatibility, please check PAM available in Service Market Place.
Search for your Netweaver version. In your case, it is SAP EHP1 FOR SAP NETWEAVER 7.3.
Then click on the Technical Release Information tab and choose Web Browser Platforms.
Please find below the PAM link. In order to access this link, you will require S-UserId.
https://websmp207.sap-ag.de/pam
BR,
Anurag