The drunk scene of Amitabh was shot in sync sound, you can also hear the camera whirling in the background. Raj Sippy knew about how comfortable Amjad and Amitabh were with each other. So he simply turned on the camera and let them improvise and ad lib the entire scene.

Composer Rahul Dev Burman asked singer Annette Pinto to gargle a tune to create a score for the Evil look-alike Babu character played by Amitabh Bachchan.

Rekha was first signed for the role eventually played by Hema Malini. Then Amitabh decided to stop acting with Rekha and Parveen Babi replaced her. When Parveen Babi suffered her nervous breakdown, Amitabh requested a pregnant Hema who had cut her assignments, to step in.

Hema Malini was 9 months pregnant with Esha Deol in several scenes. In the Pariyon Ka Mela Hain, she is seen wearing a shawl to cover her stomach.

Mithun Chakraborty was the first choice for Kawaljeet's role.

Zahira was signed for the role played by Ranjeeta Kaur.

During the emotional scene's between Amitabh Bachchan and Ranjeeta Kaur their is a certain background music that is played. Raj N Sippy was so inspired by this tune he turned the musical piece into a full fledged song. The song " Deewane Do Dil Mile" was created and used in the 1998 Akshaye Khanna film " Kudrat".

Babu' s theme music was reused in the film Andar Bahar, and Vinod Khanna's Insaaf and Thikana.

The final fight scene music was taken from Ganga Aur Suraj climax scene.

The Longest Day by Paul Anka was sampled for the song " Zindagi Milke Bitayenge".

The background music used when Sachin brings Hema Malini to the farmhouse in ambulance was reused again. The music was used in Boxer during Mithun's training scene's.

In the movie Aadalat, Amitabh the villager is trying to play with the kids he uses the phrase "Chain Kuli Ki Main Kuli " the same phrase was also used in "Satte Pe Satta" by him.

Zorba The Greek was sampled for the prelude of the song "Pariyon Ka Mela"

After this film, filmaker Raj N. Sippy and Amitabh Bachchan were to work again together in Taala Chavi, but was shelved.

Some of the background music was reused in the film Saaya (1990).

The songs were shot in Sonmarg, Kashmir.

The Amitabh and Ranjeeta Kaur scene where he scares her with a knife and cures her was first done in the film Upaasna with Feroz Khan and Mumtaz.

"Dukhe Pe Dukhi Ho" was remixed by Amit and San J of The X Zecutive. In the album " Garma Garam 2 Asha Bhosle". This was the first time the song was ever remixed. This was in 1991.

" Jhuka Ke Sar Ko Poocho" was remixed by Amit and San J of The X Zecutive . This for the album " Garma Garam 2 Asha Bhosle". This was the first remix ever done for this song. This was in 1991.

" Pyar Tumhe Kis Modh Pe " was remixed by Amit and San J of The X Zecutive . This for the album " Garma Garam 2 Asha Bhosle". This was the first remix ever done for this song. The song name was "Main Asha Hoon". This was in 1991.

"Zindagi Mil Kar Bitayenge" was remixed by Amit and San J of The X Zecutive. This was the first time this song was remixed. This was for the album Garma Garam Amitabh. This was in the year 1990.

"Dilbar Mere " was remixed by Amit and San J of The X Zecutive. This was the first time this song was remixed. This was for the album Garma Garam Amitabh. This was in the year 1990.

"Pariyon Ka Mela Hain" was remixed by Amit and San J of The X Zecutive. This was the first time this song was remixed. This was for the album Garma Garam Amitabh. This was in the year 1990.

The song "Pyar Humen Kis Modh Pe" was sampled for the song "UFO" for the internationally released album "UFOs in Bollywood by Ratbath.

Dukhi Pe Dukhi Ho was sampled for the internationally released song Hoctor Break by Funky Bijou.

Pariyon Ka Mela Hain was sampled for the international song "Groovy Break" by Funky Bijou.

Pyar Humen Kis Modh Pe was sampled in the song Lights Out by DJ HMD from the album "WTF ! Its Bollywood?"

Paintal can be seen mouthing the words " Behn Chod" in the beginning of the song Pariyon Ka Mela.

The song/tune "E Meri Jaan Chand Sa" from Puruskar was sampled for the song "Mausam Mastana".

Punjabi movie "Saat Saaliyan" (Sat Saliyan) (1964) is a remake of the same English movie Seven Brides For Seven Brothers.

The climax scenes background music was used as the title music for the movie Sweety. Sweety starred Sachin and Rajni Sharma.

Amitabh Bachchan horse training scene's background music was used later in a action scene in Karishmaa (1984).

The background music was reused in Sitamgar.

Amjad Khan and Raj N Sippy were good friends at one point . But their friendship went sour after the film.

Rahul Dev Burman recreated a part of Abdullah's title music (Sanjay Khan's entry music) for the scene when Hema Malini makes dinner for the brothers and calls for them to come eat. The same tune was earlier heard in the song Sandstorm by LaBionda.

Hema Malini saw the film and was disappointed several of her scenes were edited out.

The Bungalow used in the film Chupke Chupke ( 1975) belonged to the Producer NC Sippy . He sold the bunglow after the release of his film Inkaar ( 1977) which dealt with kidnapping of a child. The reason was that there was an attempted kidnapping on his son Romu Sippy ! The place where his bunglow existed is a popular landmark in Mumbai today ( Amitabh's bunglow Jalsa) A cult comic scene from a popular movie was shot here too . It was the scene where a drunk Amitabh told Amjad "Daru peene se liver kharab hota hain" in Satte Pe Satta.

Sachin remade the film in Marathi staring himself in lead along with wife Supriya ,Ashok Saraf and Swapnil Joshi as Aamhi Sathpute 2008.

RD Burman would have big Saraswati Puja celebration at his place every year during of his celebration many big stars attended and Raj Sippy announced this film.

Lyricst Gulshan Bawra was confused on how to write lyrics and dialogue for seven different actors playing lead to roles.RD Burman and he sat patiently and discussed that they should be careful on this font as each and every character is important and they shouldn't rush with anything which will spoil their work.

Ranjeeta Kaur told Raj Sippy she was upset with her role in the film. She complained she did not have enough footage. Raj Sippy explained to her that her role was short in footage but very important in the script.

While giving chorus for Babu's entry theme.Singer Annette Pinto had sour throat and was gargling before signing it.RD Burman heard her gargling and took her gargling sound as a background chorus for the that scene.

At the premiere Mithun Chakraborthy arrived 10 minutes before the film ended and received a standing ovation from the audience when they spotted him after the film. Vicky Sahu (Inderjeet) and Shakti Kapoor were not present .

Amitabh Bachchan and Ranjeeta go to get the chance in some scenes to play hero and heroine.

During the shooting of the song Pariyo Ka Mela Hai Hema Malini was heavily pregnant with Esha Deol she had to cover her stomach with a shawl in order to hide it.

Only film of Amitabh Bachchan and Ranjeeta.