Ratan Tata, industrialist and philanthropist, turned 86 on Thursday.

Popular on social media with 12.7 million X(Twitter) followers.

Awarded Padma Vibhushan and Padma Bhushan for contributions to India.

Educated at prestigious schools and universities.

Author of books like "From Steel To Cellular" and "The Wit & Wisdom of Ratan Tata".

Unmarried and childless, came close to marriage four times.

Created "Nano", world's cheapest car, for Indian families' road safety.

Donated $50 million to Harvard Business School, also supports many good causes in India.

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