What changed in CBSE’s OSM tender; why was blacklisting clause removed?

The change relates to the On-Screen Marking (OSM) system used for scanning and evaluating millions of answer sheets for board examinations.

What changed in CBSE’s OSM tender; why was blacklisting clause removed?
The change relates to the On-Screen Marking (OSM) system used for scanning and evaluating millions of answer sheets for board examinations.