Ratan Tata, the iconic Indian business tycoon and branding genius, passed away at 86. His legacy offers lessons in marketing, innovation, and social responsibility.

Indian Prime Minister Narendra Modi praised Tata as "a visionary business leader", saying he's "extremely pained" by the death. Tata ran the conglomerate for over20 years as chairman.

Tata, who led a business empire while touching numerous facets of Indian life with his philanthropy, died of age-related health complications. He was 86.