HI @swetaag2011,
Could you please share a screenshot of your flow's configuration?
Do you want to include the image into a html file and display it in the html file?
If you want to include the image into a html file and display it in the html file, I have made a test on my side and please take a try with the following workaround:
Image reference:
The flow works successfully as below:

The html file opens successfully as below:

Best regards,
Kris