He was eleven years old when he saw his first film 'Shabnam'(1949) starring Dilip Kumar and Kamini Kaushal. This film and its hero Dilip Kumar created magic on the young Harikishan Giri Goswami that he decided to adopt the name of Dilip Kumar's character from the 1949 film as his screen name.
The story of the film was of the refugees of the 1942 Rangoon war, Shanti (Kamini Kaushal) and Dilip Kumar( Manoj)who fall in love while on the way to Bengal. He too was a refugee from Pakistan, the film made a long-lasting impact on the young Harikishan. In an interview, Manoj Kumar said "It is because of him that I became a fan of cinema. I fell in love with his character in the film whose name was Manoj. I must be 11-year-old then but I instantly decided that if and whenever I become an actor I will keep my name as Manoj Kumar,"
Manoj Kumar (born on 24 July 1937) his family had to migrate from Jandiala Sher Khan Pakistan to Delhi due to the Partition His family lived as refugees in Vijay Nagar, Kingsway Camp, and later moved to Old Rajendra Nagar area of New Delhi. His fascination for films brought him to Bombay. He took part in the first Filmfare Talent Hunt competition hed in Bombay. Dharmendra was also one of the contestants.
Manoj Kumar got his first role in the film 'Fashion' released in 1957, the hero was Pradeep Kumar. Manoj Kumar played the role of an 80-year-old beggar in the film. This was a very small role. After this he got another small role in the 1958 film 'Sahara' starring Meena Kumari.
Manoj Kumar got his first leading role in Kaanch Ki Gudia (1961) opposite Saida Khan.Its song 'Saath Ho Tum Aur Raat Jawan; was a hit but not the film.Before this another film 'Honeymoon'(1960) with the same lead was released first
Hariyali Aur Rasta (1962) was the first hit film of Manoj Kumar, but subsequent films were flop In 1964 he got a major hit 'Woh Kaun Thi' After this film he never looked back. In 1965 his film Shaheed got him branded as a patriotic image. His directorial debut Upkaar (1967). In this award-winning film, he played both a soldier and a farmer. The film was also noted for the famous song "Mere Desh Ki Dharti", written by Gulshan Bawra, composed by Kalyanji-Anandji, and sung by Mahendra Kapoor. Upkaar was declared a blockbuster and won him his first Filmfare Best Director Award.
He appeared with his idol Dilip Kumar in the 1967 film Aadmi, he was nominated Filmfare Best Supporting Actor Award. Again in 1981 he directed him in the film 'Kranti'
After Kranti in 1981, Kumar's career began to decline, when the films he did with him in lead role like Kalyug Aur Ramayan in 1987 and later Clerk in 1989 failed at the box office. In 1989, he cast Pakistani actors Mohammad Ali and Zeba in his film Clerk. He quit acting after his appearance in the 1995 film Maidan-E-Jung. He directed his son, Kunal Goswami, in the 1999 film Jai Hind which had a patriotic theme. The film was a flop and was the last film Kumar worked on.