Who among the following is the author of the novel ‘Q and A’?

Vikas Swarup

The correct answer is Option (4) - Vikas Swarup

The author of the novel 'Q and A' is Vikas Swarup.

'Q and A' is a novel written by Vikas Swarup. It was later adapted into the critically acclaimed film "Slumdog Millionaire" directed by Danny Boyle. The novel tells the story of a young man from the slums of Mumbai who becomes a contestant on a quiz show and ends up winning it, but his success is met with suspicion and disbelief.