Sonar Harin

Captain Jayanta Chowdhary comes back gravely injured and is taken care of by his fiancé Kuntala, who is an air hostess. It takes a long time for Jayanta to recover and come out of the trauma. He is visited by Sunanda, his colleague's widowed wife. He holds himself responsible for Sunanda's husband Partho's death and returns his ring to her. Jayanta leaves for Calcutta abruptly and starts following art ground. An engineer by profession, Sandeep Mukherjee is forced to work for a smuggling gang run by Krisan Chand and Abdullah. He does this because he needs money for the treatment of his handicapped brother Beenu in Vienna. He often visits a bar where Ruby, his beloved stays. Soon the Intelligence Department headed by Ranjit Mitra starts tracing Sandeep's source of money. Jayanta helps them in the whole. It is found that Ruby had borrowed the money from Krishan Chand and given it to Sandeep. The police can't do anything because the transaction is recorded on paper. Jayanta now takes up the name of Arun Ray, a ground engineer and friend of Beenu. Sandeep's brother comes back. After recovery Sandeep invites Jayanta to his house where he discovers that Kuntala, then also in Calcutta, is Sandeep's sister. When Kuntala goes to visit him in his hotel, Jayanta breaks off the engagement. Mean while, Krishan Chand tells Sandeep that Arun is a spy and orders him to find out how much he knows about the gang. Sandeep comes home to find a broken Kuntala who tells him about her engagement being cancelled. Learning the name of her fiancé makes everything clear to him. He can't bear the fact that his sister would pay for his crime. He goes to Jayanta and is about to confess everything when he is shot by Abdullah. Following a gun fight, Jayanta shoots Abdullah dead. Sandeep confesses everything to Ranjit Mitra who records it before his death . Jayanta begs forgiveness from Shakuntala. The couple is reconciled. Krishan Chand has paid him a lot of money and fooled him into planting a bomb in a foreign chartered plane in which Jayanta and others were flying. It was a plot hatched by the opposition party of foreign country. He did this to pay for Beenu's treatment.

• Uttam Kumar^[9]
• Kali Bannerjee
• Supriya Choudhury^[10][11]
• Bhanu Banerjee
• Chhabi Biswas
• Tarun Kumar
• Lakshmi Devi
• Mihir Bhattacharya
• Kuntala Chatterjee
• Padmadevi
• Bipin Gupta
• Namita Sinha^[12]

• Sonar Harin at IMDb
• Sonar Harin at The Times of India