Assam COVID Update: Kokrajhar's D.N.H. High School Declared Containment Zone The Kokrajhar administration has restricted the entry and exit points in the school after they tested positive. Also, the movement of population and vehicles within the area has been strictly prohibited | 23 April 2021 2:49 PM GMT Kokrajhar: Kokrajhar's D.N.H. High School has been declared as a containment zone after the Principal and staff of the school tested positive for COVID-19 on Thursday. The Kokrajhar administration has restricted the entry and exit points of the school after they tested positive. Also, the movement of people and vehicles within the area has been strictly prohibited.