President Mahinda Rajapaksa will inaugurate the sessions with a keynote address.
The first session chaired Rahul Bajaj, chairman of Bajaj Auto, India will deal with building partnerships in the Commonwealth, Indian Ocean and the South Asian region.
S Gopalakrishnan, co-founder of Infosys, Binod K Chaudhary, head of Nepals, Chaudhary group, Kazi Akram Uddin Ahmed, chairman of Federation of Bangladesh Commerce and Industry will be joined by Yu Ping, from China's international trade office.
There will be network lunches hosted by Associated Motorways, where Len Hunt, president of Dubai's Al-Futtaim group will speak.
Asian Development Bank and Sri Lanka National Planning Department will host another lunch on infrastructure investments.
Cameroon and Malawi will have sessions highlighting business opportunities.
Other sessions will involve developing the rural economy, chaired by Robert Anderson, deputy vice chancellor, Massey University, New Zealand; value added manufacture chaired