"Mera Dil Mera Dushman" is a popular song from the 1990 Bollywood film Dushman. The film stars Sanjay Dutt and Kajol, and it revolves around themes of love, revenge, and justice. The song captures the emotional turmoil of the characters, highlighting the conflict between love and enmity. The music for "Mera Dil Mera Dushman" was composed by Nadeem-Shravan, a renowned duo in the Indian music industry. The lyrics were penned by Sameer, and the song features a melodious blend of romantic and dramatic elements, making it memorable for audiences.