Bangkok: The world's largest proposed free trade deal, the 16-nation Regional Comprehensive Economic Partnership, could go ahead without key participant India after it put the kibosh on efforts to conclude negotiations on Monday.

As Scott Morrison flew on Sunday night into Bangkok, where he will discuss RCEP with his counterparts, a working draft of the leaders' statement to be issued after their meeting on Monday indicated 15 of the 16 nations are prepared to get on with finalising the deal while India resolves its issues.