The counting began at 17 venues in eight districts of the state with three-tier security in each counting hall, sources in the office of Chief Electoral Officer said.
Among prominent candidates whose electoral fates would be decided are Chief Minister Manik Sarkar from Dhanpur, Finance Minister Badal Chowdhury from Hrishyamukh, Higher Education Minister Anil Sarkar from Pratapgarh, Industries and Commerce Minister Jitendra Chowdhury from Manu (ST).
The electoral fortunes of TPCC President Sudip Ray Barman from Agartala, Leader of the Opposition Ratan Lal Nath of Congress from Mohanpur and President of the Indigenous Nationalist Party of Tripura Bijay Hrankhwal from Ambassa would also be decided.
Prohibitory orders have been imposed within 100 meter of each counting hall where CCTV have been installed.
The 856 km border with neighbouring Bangladesh has been sealed since yesterday.
The elections were held on February 14.