Hindi Song: Haan Haan Yeh Pyaar Hai (Dillagi)
Music Director: Jatin-Lalit
Copied From: Can't Take My Eyes Off Of You (Frankie Valli)
Hindi Song: Koi Nahin Tere Jaisa (Keemat)
Music Director: Rajesh Roshan
Copied From: Cotton Eye Joe (Rednex)
Hindi Song: Tumhe Kaise Main Bataaoon (Dastak)
Music Director: Rajesh Roshan
Copied From: The Windmills Of Your Mind (The Thomas Crown Affair)
Hindi Song: Paayal Meri Jaadu (Rajkumar)
Music Director: Laxmikant-Pyarelal
Copied From: Faith (George Michael)
Hindi Song: Jab Koi Baat Bigad Jaaye (Jurm)
Music Director: Rajesh Roshan
Copied From: Five Hundred Miles (Peter, Paul, & Mary)
Hindi Song: Itna Na Mujhse Tu Pyar Badha(Chhaya)
Music Director: Salil Chowdhury
Copied From: Symphony No. 40 (Mozart)
Hindi Song: Tera Gussa (Kareeb)
Music Director: Anu Malik
Copied From: The Happy Birthday Song
Hindi Song: Tu Woh Tu Hai (Beqaabu)
Music Director: Anu Malik
Copied From: Theme from The Good, The Bad, and The Ugly
Hindi Song: Suno Zara (Bada Din)
Music Director: Jatin-Lalit
Copied From: You Needed Me (Anne Murray)
Hindi Song: Tirchi Topiwaale (Tridev)
Music Director: Viju Shah
Copied From: The Rhythm Is Gonna Get You (Miami Sound Machine)
Hindi Song: Ae Dil Hai Mushkil (C.I.D.)
Music Director: O.P. Nayyar
Copied From: Oh My Darling Clementine (Unknown source)
Hindi Song: Mil Gaya (Hum Kisi Se Kam Nahin)
Music Director: R.D. Burman
Copied From: Mama Mia (ABBA)
Hindi Song: Kya Kehna (Kya Kehna)
Music Director: Rajesh Roshan
Copied From: Oh Carol (Paul Anka)
Hindi Song: Mere Rang Mein (Maine Pyar Kiya)
Music Director: Raam Laxman
Copied From: The Final Countdown (Europe)
Hindi Song: Aate Jaate (Maine Pyar Kiya)
Music Director: Raam Laxman
Copied From: I Just Called To Say I Love You (Stevie Wonder)
Hindi Song: Jhilmil Sitaaron Ne Kaha (Khote Sikkey)
Music Director: Rajesh Roshan
Copied From: Raindrops Keep Falling On My Head (Butch Cassidy and the Sundance Kid)
Hindi Song: Chura Liya Hai Tumne (Yaadon Ki Baraat)
Music Director: R.D. Burman
Copied From: If It's Tuesday This Must Be Belgium (Walter Scharf)
Hindi Song: Teri Chaahat Ke Siva (Jaanam)
Music Director: Anu Malik
Copied From: El Condor Pasa (Simon & Garfunkel)
Note: I also noticed that the starting of El Condor Pasa also sounds a lot
like "Taarein Hain Baaraati" from Malik's later album, Virasat.
Hindi Song: Dole Dole Dil (Baazi)
Music Director: Anu Malik
Copied From: Come September (Theme)
Hindi Song: Aisa Zakhm Diya (Akele Hum Akele Tum)
Music Director: Anu Malik
Copied From: Sweet Child In Time (Deep Purple)
Note: The opening and closing portions of the Hindi song are inspired.
Hindi Song: Dil Mera Churaaya Kyoon (Akele Hum Akele Tum)
Music Director: Anu Malik
Copied From: Last Christmas (Wham)
Hindi Song: Sun Sun Sun Barsaat Ki Dhun (Sir)
Music Director: Anu Malik
Copied From: Listen To The Sound Of The Rain (Jose Feliciano)
Hindi Song: Ladna Jhagadna (Duplicate)
Music Director: Anu Malik
Copied From: A-Tisket A-Tasket (Children's song)
Note: Wow.
Hindi Song: Ek Sharaarat Hone Ko Hai (Duplicate)
Music Director: Anu Malik
Copied From: Slip And Slide (Laura Allen)
Hindi Song: Baraana De (Insaaf)
Music Director: Anand-Milind
Copied From: Paranue (Serapis Bey)
Hindi Song: Mujhe Neend Na Aaye (Dil)
Music Director: Anand-Milind
Copied From: Chunni Ud Ud Jaaye (Alaap - UK band)
Hindi Song: Hari Om Hari (Pyaara Dushman)
Music Director: Bappi Lahiri
Copied From: One Way Ticket (Eruption)
Hindi Song: Koi Yahan Naache Naache(Disco Dancer)
Music Director: Bappi Lahiri
Copied From: Video Killed The Radio Star (The Buggles)
Hindi Song: Yeh Vaada Hai (Raju Chacha)
Music Director: Jatin-Lalit
Copied From: Day By Day (Godspell)
Hindi Song: Jaana Suno Hum (Khamoshi)
Music Director: Jatin-Lalit
Copied From: Bring The Wine (Paul Anka)
Hindi Song: Koi Mil Gaya (Kuch Kuch Hota Hai)
Music Director: Jatin-Lalit
Copied From: Take That Look Off Your Face (Song And Dance)
Hindi Song: Yunhi Kat Jaayega (Hum Hain Rahi Pyar Ke)
Music Director: Nadeem-Shravan
Copied From: Lovely Lady Of Arcadia (Demis Roussos)
Hindi Song: O Mere Sapnon Ka (Dil Hai Ke Manta Nahin)
Music Director: Nadeem-Shravan
Copied From: Bachelor Boy (Cliff Richard)
Hindi Song: Pehli Baar Mile Hain (Saajan)
Music Director: Nadeem-Shravan
Copied From: Solitude Standing (Suzanne Vega)
Hindi Song: Haseena Gori Gori (Tarazu)
Music Director: Rajesh Roshan
Copied From: In The Summertime (Shaggy)
Hindi Song: Chaand Sitaare (Kaho Naa Pyaar Hai)
Music Director: Rajesh Roshan
Copied From: Voices (Vangelis)
Hindi Song: Badan Judaa Hote (Koyla)
Music Director: Rajesh Roshan
Copied From: Conquest Of Paradise (Vangelis)
Hindi Song: Humko Pyaar Hai (Moksha)
Music Director: Rajesh Roshan
Copied From: Messages (Vangelis)
Hindi Song: Yeh Raaste Hain Pyaar Ke (Old)
Music Director: Ravi
Copied From: The Breeze And I (Al Stillman and Ernesto Lecuona)
Hindi Song: Jeevan Ke Safar Mein (Munimji)
Music Director: S.D. Burman
Copied From: The Mexican Hat Dance
Hindi Song: Pyaar Tune Kya Kiya (Title)
Music Director: Sandeep Chowta
Copied From: Exorcist II: The Heretic (Theme)
Hindi Song: Roundhe Hai (Pyaar Tune Kya Kiya)
Music Director: W. Killar & Sandeep Chowta
Copied From: Vampire Hunters (Bram Stoker's Dracula)
Hindi Song: Kambakth Ishq (Pyaar Tune Kya Kiya)
Music Director: Sandeep Chowta
Copied From: Eireann (Afro Celt Sound System)
Hindi Song: Yeh Pyaar Hai (Indian)
Music Director: Anand Raaj Anand
Copied From: Ojos Asi (Shakira)
Hindi Song: Gupt Gupt (Gupt)
Music Director: Viju Shah
Copied From: Deep Forest (Deep Forest)
Hindi Song: Babuji Dheere Chalna (Aar Paar)
Music Director: O.P. Nayyar
Copied From: Perhaps Perhaps Perhaps(Doris Day)
Hindi Song: Mehbooba Mehbooba (Sholay)
Music Director: R.D. Burman
Copied From: Say You Love Me (Demis Roussos)
Hindi Song: Tumse Milke (Parinda)
Music Director: R.D. Burman
Copied From: When I Need You (Leo Sayer)
Hindi Song: Kaisa Tera Pyaar (Love Story)
Music Director: R.D. Burman
Copied From: I Have A Dream (ABBA)
Hindi Song: Aa Ab Laut Chalen (Jis Desh Mein Ganga Behti Hai)
Music Director: Shankar Jaikishan
Copied From: Ciao Ciao Bambina (Domenico Modugno)
Hindi Song: Tera Mujhse Hai Pehle (Aa Gale Lag Jaa)
Music Director: R.D. Burman
Copied From: The Yellow Rose Of Texas (Elvis Presley)
Hindi Song: Neela Dupatta Peela Suit (Hameshaa)
Music Director: Anu Malik
Copied From: All I Wanna Say (Michael Jackson)
Hindi Song: Love Hua (Jaanam Samjha Karo)
Music Director: Anu Malik
Copied From: Angelo (Brotherhood Of Man)
Hindi Song: Neend Churaayi Meri (Ishq)
Music Director: Anu Malik
Copied From: Sending All My Love (Tolga)
Hindi Song: Kuch Kasmein (Aankhen)
Music Director: Jatin-Lalit
Copied From: Nights In White Satin (Moody Blues)
Hindi Song: Tinak Tin Taana (Mann)
Music Director: Sanjeev-Darshan
Copied From: Yang Sedang-Sedang Saja (Iwan - Malaysian)
Hindi Song: I Was Made For Loving You (Jaanam Samjha Karo)
Music Director: Anu Malik
Copied From: I Was Made For Loving You (Kiss)
Hindi Song: Na Bole Tum Na Maine (Baaton Baaton Mein)
Music Director: Rajesh Roshan
Copied From: When Johnny Comes Marching Home (Patrick Sarsfield Gilmore)
Hindi Song: Kaun Hai Jo Sapnon Mein Aaya (Jhuk Gaya Aasmaan)
Music Director: Shankar Jaikishan
Copied From: Marguerita (Elvis Presley)
