Speaking at an event here, he said the final decision on India's joining will be taken by the 21-member Asia-Pacific Economic Cooperation (APEC) at Lima (Peru) in November.
"I won't make a final comment on this till government takes a positive decision on this but all I can say is that its important way station and I hope we halt in the direction of that way station," he said.
With regard to the WTO's Doha Development Round (DDR), Jaitley said India is for multilateralism and favours logical conclusion of the trade negotiations.
"Whether the DDR is over, should be abandoned or it should be continued... India has a strong position that it should be continued and be taken to logical conclusion," he said.
Also Read
The Doha Round of negotiations launched in 2001 have remained stalled since July 2008 when the trade ministers' meeting in Geneva collapsed due to differences between the rich and the developing nations mainly on the level of protection for farmers in developing countries.