Jatin and Lalit come from a musical family originating from Pili Mandori Village in Hissar district of Haryana state.

Since, the Jatin-Mandheer pair didn't really sizzle in the circuit, and Lalit was eager to make a mark as well, it was decided to revisit the music combination, and thus Jatin -Lalit - the duo, was formed.

They were first noticed for their work on the soundtrack of the movie Khiladi and for "Pehla Nasha", a romantic song from Jo Jeeta Wohi Sikander, the film that earned them their first nomination for the Filmfare Award for Best Music Director.

Jatin–Lalit's score for the cult classic Dilwale Dulhania Le Jayenge was a massive success, and is remembered as one of the all-time best Bollywood soundtracks, earning them their second nomination at the Filmfare Awards.

Pyaar To Hona Hi Tha, in the same year, and Sarfarosh, in 1999 were also appreciated, earning them their sixth and seventh nominations at the Filmfare Awards.

Mohabbatein, (2000) directed by Aditya Chopra won acclaim, and the song "Humko Humise Chura Lo" became a classic.

The duo has worked with a variety of lyricists; Majrooh Sultanpuri, Gopaldas Neeraj, Anand Bakshi, Sameer, Javed Akhtar and singers including Amit Kumar, Kumar Sanu, Abhijeet Bhattacharya, Udit Narayan, Hariharan, Sonu Nigam, K.S.

Chithra, Anuradha Paudwal, Alka Yagnik, Kavita Krishnamurthy, Sadhana Sargam, Shaan, Babul Supriyo and many others.

Veteran singers Lata Mangeshkar, Asha Bhonsle and Jagjit Singh have also sung in a few movies for the duo.

They specially composed "Aati Kya Khandala" in the film Ghulam for the lead actor Aamir Khan.

Jatin and Lalit appeared in the 1992 hit film Jo Jeeta Wohi Sikandar during the song "Humse Hai Saara Jahaan".

Jatin–Lalit were appointed as judges in the Zee Television musical show Sa Re Ga Ma Pa.

[6] In February 2020, the Jatin–Lalit duo came together and organised a concert in Mumbai which was very well received and in which numerous leading Bollywood singers performed.

Lalit scored the 2007 film, Life Mein Kabhie Kabhiee, Showbiz, Horn Ok Pleassss and Dulha Mil Gaya.

Jatin composed the score for Saurav Shukla's film, I Am 24, starring Neha Dhupia and Rajat Kapoor.

[citation needed] He recorded an album for the president of the Indian Business and Professional Council, Abbas Ali Mirza.

He won the Filmfare Award for Best Music Director with Sajid–Wajid in 2011 for the soundtrack of the film, particularly for its quirky lyrics and dancing choreography.