Re-Indicating problem

How to overcome the problem of Re-indicating.
As I am scraping some element from scanned Pdf ya i get results properly but when i re-run the bot i get wrong values so i should re-indicate again.

For scraping purpose i have used the below OCR tool
Microsoft, Tesseract, Google OCR, Computer Vision, Ommni OCR, Uipath Screen OCR, Abbyy cloud OCR…many more but the still is not resolved