India's friendly diplomatic relations with Central Asia have not paid off in practical terms. Now China and other rival players are firmly entrenched in the region, it may be too late for New Delhi to recover lost ground.
Mongolia failed to develop the rail network while the economy was booming. Now the economy is slowing and coal prices are falling, it's finding it can't make up the difference by boosting exports because of bottlenecks.
Kazakhstan's membership of the Russia-led Customs Union continues to cause controversy. The bone of contention has so far been the damage the membership it's inflicting on Kazakhstan's economic interests, but the Kremlin's behaviour towards Ukraine is clearly raising tension amongst Kazakh officialdom.