JKBOSE Class 12th Date Sheet Winter Zone Jammu. The Jammu and Kashmir Board of School Education Jammu Date Sheet for Higher Secondary Examination part-II Class 12th  Annual Regular Session 2020-21 Winter Zone (Jammu Division). JKBOSE Class 12th Date Sheet Declared candidates can download date sheet from Jkalerts.com. Download JKBOSE Class 12th Date sheet 2021 For