The Dream Team VI defeated the east Africans 2-1 in the first leg with Junior Ajayi grabbing a brace, and must get at least a draw to secure a ticket to the tournament billed for Senegal.
Siasia picked his squad to confront the Red Devils after defeating a local side 3-0 in a practice game in Abuja on Wednesday.
The players are: Daniel Emmanuel, Atanda Sodiq, Stanley Amuzie, Azubuike Okechukwu, Olusegun Oduduwa, Erhun Obanor, Godwin Saviour and Etebo Oghenekaro.
Others include Junior Ajayi, Usman Mohammed, Etor Daniel, Yusuf Mohammed, Chima Akas, Semiu Liadi, Shehu Abdullahi, Kingsley Sokari, Taiwo Awoniyi, Umar Aminu, Austin Oladapo and Sincere Seth.
The winner of the Nigeria U23/Congo U23 game will secure a place at the 2015 edition of the African U23 Championship which serves as qualifiers for Rio 2016 Olympics.