The Indians learning Chinese to boost trade
20 October 2013 Last updated at 04:00 BST
The Indian prime minister visits China this week.
The two countries have promised to boost trade to $100bn in the next few years - up 50% from current levels - and China is keen on signing a regional trading arrangement to boost it further.
However, Manmohan Singh faces a tricky problem - most of the trade seems to be one-way.
Neil Heathcote reports.