Why has the percentage of CEOs of Indian descent gone up in the last decade ?
In the last decade there is a growing trend of corporations being led by CEOs of Indian descent. Many factors have contributed to this trend including but not limited to:
 
 1) Immigration laws that attract best of talent from across the world to western nations
 2) Strong education system in India
 3) English as the primary/secondary language in most educational institutions across India
 4) Cultural diversity of India that fosters empathy and adaptability
 6) Immigrant's drive to succeed in a foreign nation given limited safety net
 7) Acceptance of cultural and social diversity in large enterprises