Well even of the consumption around the globe is staganent, production happens in the most cost effective place. With the barriers removed production moves to most cost effective place - please not most cost effective might not be the cheapest place, it might be but not necessarily.
We have a huge population and franly i do not have much stats about Indian Agri business. If a tonne of wheat grown in Australia costs me less than Tonne of wheat grown in Punjab as a trader i will buy Aussie wheat.