Hi Ananya Dixith,
Thank you for reaching out on Microsoft Q&A!
Are you perhaps executing the Blob action in a 'for each' loop? If so, can you try to set the concurrency to 1 to let it run sequential as the concurrent runs may interfere each other.
Please click “Accept answer” if you find this helpful. Feel free to drop additional queries in the comments below!
Kind regards,
Sonny