(c) Amar → (Apache + Splendor) → Pulsar Bitu → Apache Chetan → (2nd last) → Splendor (Pulsar + Hayabusa) Darshan → Hayabusa Ehsaan → Unicorn Since, Chetan is coming 2nd last, he does not drive Apache, as last man driving it. So, Chetan must be driving 'Splendor'