In the year-ender edition, when Financial Chronicle made the chairman of the Tata group,

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Ratan Naval Tata, the FC Businessman of 2009, we recounted almost every dream of this visionary that saw fruition.

Beginning with turning Tata Tea into an international beverage company, then taking Tata Steel and Tata Motors to the global industrial stage, and finally producing the world’s cheapest car and water purifier, Ratan Tata can justifiably claim: been there, done that.

But, apparently, one last, big dream still remains to be fulfilled.

One Monday, at a senior editors’ gathering at the Taj, where he unveiled a couple of coffee-table books on the Nano, he spoke of his dream project that delivered the promised Rs 1 lakh car.

At the end of the function, in a brief tete- a- tete, FC asked: “What’s the next big thing on your mind?” He just smiled and said he couldn’t reveal that. “All I can tell you is that it is a dream -- a dream that is yet to be fulfilled.”

What could be the next big thing that the 72-year-old industrialist has in mind? Has it something to do with one of the existing companies that form part of India’s largest conglomerate? Is it to make some of his firms – like Tata Steel and Tata Motors -- the world’s biggest in their respective fields? Or is it a totally fresh, revolutionary, big-bang idea?

We are clueless. Any guess? We invite our readers to read Tata’s mind and let us know what they think could be the big dream he still nourishes. You can send in your suggestions to National Coordinating Editor, Financial Chronicle, S 7&8, Green Park Main Market, New Delhi 110016, or log on to www.mydigitalfc.com.

As we put it out a brief on the meeting on our internal communication system, colleagues from across the country offered many possibilities, some even ready to hazard a wild guess.

It is an all-new Tata Bank, some believe, a bank that may take inclusive growth to unforeseen levels. Some others feel that the next big thing for Tatas could be green, affordable energy for electrifying India.

One colleague suggested that it could be his long- cherished dream of setting up a world-class airline. Or, going further, given Tata’s penchant for futuristic thinking, it could even be a space tourism company that could offer a night’s stay on the moon.

Revolutionary were the Nano, an engineering wonder that has made the world’s cheapest car possible, and the Swatch, the world’s cheapest water purifier. Both sired by down-to-earth thinking. Could space be his next big dream?

It was Tata who steered his group to the global stage. His is the only truly Indian multinational group. In the last financial year, almost two-thirds of the group’s revenues came from abroad. The share is steadily going up. Is his next big dream all about making the group a true blue global behemoth whose companies can be headquartered outside India?

You guess is as good as ours. But do write in.