[3] They displayed a strong influence of Hindustani (classical / semi-classical) music in their compositions, and were the only composers during the 1990s and 2000s who relied heavily on three particular instruments: the bansuri, the sitar and the shehnai in almost all of their songs.

[6] The duo's career temporarily came to a halt with the murder of T-Series founder Gulshan Kumar by Mumbai underworld syndicate D-Company, with Nadeem Akhtar Saifi initially accused of involvement, before later being exonerated.

Nadeem–Shravan composed soundtracks for many Hindi films, including Aashiqui (1990), Saajan (1991), Phool Aur Kaante (1991), Sadak (1991), Dil Hai Ke Manta Nahin (1991), Deewana (1992), Sapne Saajan Ke (1992), Hum Hain Rahi Pyar Ke (1993), Rang (1993), Dilwale (1994), Aatish: Feel the Fire (1994), Salaami (1994), Raja (1995), Barsaat (1995), Agni Sakshi (1996), Jeet (1996), Raja Hindustani (1996), Saajan Chale Sasural (1996), Pardes (1997), Judaai (1997), Mohabbat (1997), Maharaja (1998), Sirf Tum (1999), Dhadkan (2000), Kasoor (2001), Ek Rishtaa (2001), Jeena Sirf Merre Liye (2002), Yeh Dil Aashiqanaa (2002), Raaz (2002), Dil Hai Tumhaara (2002), Haan Maine Bhi Pyaar Kiya (2002), Dil Ka Rishta (2003), Andaaz (2003), Qayamat (2003), Tumsa Nahi Dekha (2004) and Bewafaa (2005), Barsaat (2005), Dosti (2005) among others.

Their most commonly featured and favorite singers include "Trio" Kumar Sanu, Alka Yagnik, Udit Narayan but other Hindi playback singers like Anuradha Paudwal, Kavita Krishnamurthy, Sonu Nigam, Sadhana Sargam, Poornima, Jaspinder Narula, K. S. Chithra, S. P. Balasubrahmanyam, Hariharan, Suresh Wadkar, Pankaj Udhas, Mohammed Aziz, Sudesh Bhosle, Shailendra Singh, Shabbir Kumar, Nitin Mukesh, Roop Kumar Rathod, Vinod Rathod, Abhijeet, Shaan, Amit Kumar, KK, Gurdas Maan, Shankar Mahadevan, Babul Supriyo, Manhar Udhas, Bali Brahmbhatt, Jolly Mukherjee, Sapna Mukherjee, Alisha Chinoy, Anwar, Vijay Benedict, Sunanda, Sapna Awasthi, Sarika Kapoor and many others have sung under their baton.

Ten Hindi actors (Mithun, Jackie Shroff, Anil Kapoor, Sachin, Danny, Vijendra, Sulakshana Pandit, etc.)

Whether it was "Chehra Kya Dekhte Ho" (Salaami), "Adayein Bhi Hain" (Dil Hai Ke Manta Nahin), "Sochenge Tumhe Pyar" (Deewana), "Tujhe Na Dekhu Toh Chain" (Rang), "Dilbar" (Sirf Tum) and "Ek Baar To India" (Jeena Sirf Merre Liye) they all had the distinct stamp of Nadeem–Shravan.

"[12] They have worked with lyricists like Sameer, Anand Bakshi, Faaiz Anwar, Hasrat Jaipuri, Rani Malik and many others.

[8] Gulshan Kumar, the owner of T-Series, was shot dead outside the Jeeteshwar Mahadev Mandir, a Hindu temple dedicated to Lord Shiva of which he attended daily in Jeet Nagar, Andheri West suburb of Mumbai, on 12 August 1997.

During the interrogation of the arrested gangsters, the police reportedly learned that Nadeem had organized a "secret" music function in June for Dawood Ibrahim Kaskar in Dubai.

Saifi eventually acquired British citizenship, and later moved to Dubai, where he runs a successful perfumery business.