Sanu has composed music for various Indian films. "Utthaan" and "Yeh Sunday Kyun Aata Hai" are most remarkable among them. Lata Mangeshkar, Asha Bhosle, Kavita Krishnamurthy, Anuradha Paudwal, Sapna Mukherjee, Alka Yagnik, Sonu Nigam, Sadhana Sargam, Sudesh Bhonsle, Shaan, Shreya Ghosal, Hema Sardesai, Sunidhi Chauhan and many more lent their voices for his music. "Yeh Kaisa Utthhan Hai" (sung by Asha Bhosle and Sonu Nigam in two different versions) and "Jisne Sapna Dekha" (sung by Sanu himself) are critically acclaimed. He sang the title song for the TV show "Yeh Duniyan Gazab Ki", with singer Udit Narayan.