The Regional Comprehensive Economic Partnership (RCEP) trade agreement involving Japan, Australia, China, South Korea, New Zealand, and members of Association of South-East Asian Nations (ASEAN) is the largest free trade agreement in the world. A total of 15 nations are signatories of this RCEP. You can read about the WTO – World Trade Organization – History, Functions, Conferences, Dispute Settlement in the given link.

India had withdrawn from the agreement out of concerns that Chinese goods would flood the Indian markets.

Further readings:

1. India and the WTO – An Overview of Latest Developments
2. India – US Trade Relations: RSTV – Big Picture Analysis for UPSC IAS exam