Tamil novel written by Sri Kalki krishnamurthy.
The Story is about two strangers (an young man and a young women) who meets up in a train from Tirunelveli to Chennai. The woman is from Sri Lanka (who have come to Tamil Nadu) and the man is from Madras. They have failed in their exams and plans to end their life. But life takes a turn when their paths cross and ends up well.
This is best choice to read during train journey.