JKBOSE Adoption of Uniform Academic Calendar. JKBOSE Class 10th, 12th exam Calendar. Jammu and Kashmir Board of School Education JKBOSE Adoption of Uniform Academic Calendar in the Union Territory of Jammu & Kashmir/U.T of Ladakh. In supersession of all previous orders issued in this behalf and pursuant to the Govt. Order No 2074-JK (Edu) of