Deepa Nandy (Priyanka Trivedi) lives in Taramati with her sister and brother in law Premendra (Raisul Islam Asad). Tired of being a burden on her relatives, Deepa goes to Kolkata to look for a job. She stays with her friend Aruna. Despite appearing at a number of interviews, she does not manage to get a job and decides to go back to Taramati. On her way back, a pickpocket snatches her bag from the train window. This bag contained all her certificates. The co-passengers chip in to pay for her ticket and she manages to reach home. Her brother-in-law makes a sarcastic remark on seeing her back.
Meanwhile Ajit Choudhury (Ferdous Ahmed) boards the train to go to Jaisalmer. Incidentally the pickpocket had thrown Deepa’s bag into the train after taking the money. Ajit finds the bag. During Ajit’s discussions with a co-passenger we come to know that Ajit is an orphan. He has a curious hobby of collecting people’s names and birthdays and sending them birthday cards.
Ajit arrives at Jaisalmer and meets Haradhan Kundu or Kundu Singh (Manoj Mitra). Kundu Singh’s grandfather had come from Dhaka and set up a hotel. However, the business floundered and Kundu’s job became to help visitors get hotels etc. Kundu Singh arranges a room for Ajit. Here Ajit meets Rupmati, who lives next door.
Ajit sends Deepa’s bag with the certificates to her. Deepa is overjoyed and sends back a thank you note. This exchange of letters continues and Ajit and Deepa fall in love with each other. Meanwhile Rupmati (June Malia) is infatuated with Ajit and tries to learn Bengali phrases from Kundu Singh to impress Ajit. But when Kundu Singh tells Rupmati about Ajit’s postal affair with Deepa, Rupmati is infuriated and confronts Ajit.
Ajit calls up Deepa every Sunday and Deepa send a T-Shirt to Ajit so that she can recognize Ajit. Meanwhile, Deepa gets another interview call. Her brother in law Premendra arranges for the money to go to Kolkata and tells Deepa’s sister that he will be glad if Deepa gets a job and has already identified a match for her. Over in Jaisalmer, Ajit is asked by the company MD to take new responsibility in factory to manage union troubles. Union leaders threaten Ajit. Ajit tries to quit job and go back to Kolkata. The company gives him a transfer instead to Kolkata. Rupmati asks for his forgiveness before Ajit leaves for Kolkata.