Chatterjee's later works were considered his best works. There was no definite answer to this question because different people would have different opinions. However, there are two novels that are considered to be Chatterjee's representative works: The Lost Ark and The Dark Throne. "The Lost Ark" was a science fiction novel written by Chatterjee in 2009. It was about a human expedition to a mysterious planet in an attempt to find a new life that could save mankind. The novel was widely acclaimed as one of Chatterjee's best works. The Dark Throne was a fantasy novel written by Chatterjee in 2012. It told the story of the rise of an ancient dark kingdom and the brave adventurers trying to save the world. The novel was also critically acclaimed as one of Chatterjee's most challenging works. These two novels are full of imagination and mystery. The plot is compact, with deep thoughts and emotional expressions. They also became one of Chatterjee's representative works that were widely circulated and studied.