Google has done an impossible OCR job as the page orientation is wrong. This could be avoided if before creating the individual pdf files after slicing page orientation is changed.
Right, left, up and down or options like 90 degree, 180 degree could be given.
Please check
https://ta.wikisource.org/w/index.php?title=Page%3A%E0%AE%A4%E0%AE%A9%E0%AE%BF_%E0%AE%B5%E0%AF%80%E0%AE%9F%E0%AF%81.pdf%2F79&type=revision&diff=97935&oldid=96015
Google has done an impossible OCR job as the page orientation is wrong. This could be avoided if before creating the individual pdf files after slicing page orientation is changed.
Right, left, up and down or options like 90 degree, 180 degree could be given.