As India gears up to honour its pravasis on January 9 to mark their contribution in the nation's development, rediff.com presents perspectives from eminent writers on the Diaspora. Kicking off the series is Ambassador T P Sreenivasan, who points out that the change of the Diaspora policy put in place by Rajiv Gandhi following the military coup in Fiji and his decision to stand by them, was the one defining moment in India's dealings with its overseas family.