Nigerian Returnees vs India's

Jeremy Weate writes:

...it might be an idea to begin to compare what the recent influx of diasporic Nigerians has done for the country's corporations. Compare and contrast with India.Ten years ago, Indians with Californian technology experience started to return home during the dot com consolidation that began in late 1999/early 2000.On the back of this migration, India's IT services sector began to boom from Bangalore to Pune, with the incumbent early-starters such as Infosys the tip of a large iceberg.What have diasporic Nigerians brought to Nigeria?