Here's an interesting study (pdf) by Manas Kaushik, Abhishek Jaiswal, Naseem Shah and Ajay Mahal, on emigration of AIIMS-trained physicians over the period 1989-2000:
Findings: Nearly 54% of AIIMS graduates during 1989–2000 now reside outside India. Students admitted under the general category are twice as likely to reside abroad (95% confidence interval: 1.53–2.99) as students admitted under the affirmative-action category. Recipients of multiple academic awards were 35% more likely to emigrate than non-recipients of awards (95% confidence interval: 1.04–1.76). Multivariate analyses do not change these basic conclusions.
Conclusion: Graduates from higher quality institutions account for a disproportionately large share of emigrating physicians. Even within high-end institutions, such as AIIMS, better physicians are more likely to emigrate. Interventions should focus on the highly trained individuals in the top institutions that contribute disproportionately to the loss of human resources for health. Our findings suggest that affirmative-action programmes may have an unintended benefit in that they may help retain a subset of such personnel.
Among the authors, Jaiswal and Shaw are at AIIMS, while the other two are at Harvard.
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Thanks to Dr. Bruno Mascarenhas for the e-mail pointer.