The document provides a detailed timeline of events related to the hijab ban in Karnataka's educational institutions from December 2021 to March 2022. It outlines the key developments including protests by Muslim girls demanding their right to wear hijab in classrooms as well as counter-protests by saffron shawl-wearing students. As tensions escalated, the Karnataka High Court heard petitions challenging the ban and ultimately upheld the restriction of hijabs in educational institutions. The timeline captures the polarized atmosphere and escalating violence between religious groups during this period.