Hi Shravan,
Installation log is located in %TEMP%\hdb_studio_<time_stamp>. In your case, the command is not correct.
The right command should be:
hdbinst.exe --batch --path="C:\Program Files\sap\hdbstudio"
When ask for UAC, click yes.
Then you will see the following page in new command window:
After installation, this command windows will be automatically closed.
Regards,
Ning