After the disappointment of the Nano and a series of underwhelming subsequent new vehicle releases, Tata Motors seemed to lose its way. Now, thanks to the success of the Tiago small car and a record overall Indian market for new passenger vehicles in the first half of 2017, Tata is firmly on the comeback trail and has even pushed the mighty Toyota down to sixth place. But will it be able to achieve its stated goal of becoming number three by 2019?