Dear Hemant,

Central Board of Secondary Education (CBSE) has released the CBSE Board Class 12 Tentaive timetable for the academic year 2018-19. The exams will be conducted from 5th March 2019 to 25th April 2019. While the exams will be held from 10:30 AM to 11:30 AM. Few subjects timings are 10:30 AM to 1:30 PM. Students can visit the official website of CBSE to download the CBSE Class 12 TimeTable 2019.

Thanks for asking here.

Best of luck 

Hello Hemant

CBSE class 12th Board examinations are expected to start from the second week of February 2019.

You should stay updated to the official website of CBSE
http://cbse.nic.in/newsite/index.html

Good Luck!