New Delhi, Oct. 10 -- Ratan Naval Tata, the former chairman of Tata Sons, the parent company of the Tata Group of companies, has played a crucial role in making Tata the country's most ubiquitous brand.

The 86-year-old Chairman Emeritus of Tata Sons, Tata Industries, Tata Motors, Tata Steel and Tata Chemicals, known for his business acumen, vision and strong work ethic, passed away today after being in critical condition at a Mumbai hospital on Wednesday, October 9.

Ratan Tata breathed his last after remaining in intensive care at Mumbai's Breach Candy hospital, according to reports.

1962: Ratan Tata joined the Tata Group in 1962 after working for multiple companies, receiving his B.Arch. Degree from Cornell and briefly working with Jo...