CBSE introduces On-Screen Marking (OSM) for Class 12 answer sheets from 2026 to boost efficiency & transparency https://english.mathrubhumi.com/education/news/cbse-class-12-onscreen-marking-2026-u56qcywr?utm_source=dlvr.it&utm_medium=mastodon #cbse #answersheet #onscreenmarking #osm