Ratan Tata: Top 10 achievements under his leadership

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Ratan Tata, the chairman of the Tata group since 1991, is set to step down from the post when he turns 75 later this month. Here's a look at some milestones the group achieved during his tenure.

1998: The Tata Indica, the conglomerate's first passenger car, was launched this year. The car went on to become the No. 1 brand in its segment within two years.