Do Dil is an Emotional-Romantic- Thriller Family Drama Film crafted with excellence by Hrishikesh Mukherjee. The Story revolves around the life of Prince Manu (played by Biswajit Chatterjee)- A Kind-Hearted man living with his Mother- Ranimaa (played by Durga Khote)- the ruler of the Kingdom after the King died. He wants to understand the people of the Kingdom and so he dresses up as an ordinary man and meets with people and understand their problem. He fell in love with Bijli (played by Rajshree)- A sweet girl living in a poor background and her father recognizes as him Badal- A savior. Pratap Singh (played by Pran)- An Evil Soldier tries to create violence in the kingdom by torturing women, leading Manu to take a step against him.