-Build operate transfer
In concessions, payments can take place both ways concessionaire pays to government for the concession rights and the government may also pay the concession rights and the government may also pay the concessionaire ,which it provides under the agreement to meet certain specific conditions.
Usually such payments by government may be necessary to make projects commercially viable and reduce the level of commercial risk taken by the private sector, particularly in the intnitial years
Build operate transfer undertakes investment and operates the facility for a fixed period of time after which the ownership reverts back to the public sector
Operating and investment risks can be substantially transferred to the concessionair
A large number of Build operate transfer port and road projects have been implemented in the region.