Vietnam's rice exports are sharply down this year as demand is lower in its main markets and Thailand returned to the marketplace with a bang after a two-year slowdown. The Vietnam's rice exports are forecast at 7.4 million tons this year,Following India's 9 million tons but higher than Thailand's 6.5 millions, according to the London-based International Grains Council. The two countries jumped ahead of Thailand in rice exports last year. But the Thai government has this year scaled back its rice-pledging scheme