Indian nationals settled abroad, from the United States to Europe, have proved their mettle and made the nation proud with different milestones, even though this came at the cost of 'brain drain', back home - a trend that started in the 1990s and remained unaddressed till the launch of the VAIBHAV initiative.New Delhi, Sep 29 (IANS) Indian nationals settled abroad, from the United States to Europe, have proved their mettle and made the nation proud with different milestones, even though this cam