The practical dates for TBSE HS class 12 2020 of Biology, chemistry, geography, home management, home nursing, nutrition, physics and psychology will be held during 2nd January,2020 to 31st January,2020. You need to contact your school for the exact dates as to when it is going to be held.
The practical examination in statistics will be held on 17th January,2020 at 11:00 a.m.
The practical examination for music is on 12th and 13th February,2020 at Bani Vidyapith Girls's H.S. School, Agartala at 11:00 a.m.
I hope this helps.
All the best!