After a long wait, the Tata Altroz iTurbo, with its 1.2-litre petrol now turbocharged as the name suggests, is finally here. Power and torque is up from 86PS/113Nm to 110PS/140Nm, and with tweaked steering and gearing to suit, can a petrol Altroz put a wide smile on your face? Watch our road test review, with tested performance and fuel efficiency figures, to find out