Tata, Altroz, DCT - three words that made us sit up and notice more than a year ago. We first expected the DCT to be introduced with the Altroz i-Turbo, expecting a new hot hatch contender in a segment that has become quite lukewarm. Tata instead has launched the DCT (or DCA in Tata's lingo) paired with the naturally-aspirated 1.2-litre, 3-cylinder 'Revotron' petrol engine. So what exactly does this pairing offer, and is it any good? Sagar finds out