Complex sentence: He made his screenwriting debut with the hit romantic comedy "Hum Hain Rahi Pyar Ke" (1993), and made his playback singing debut with "Ghulam" (1998).
Split into simpler sentences: He made his screenwriting debut with the hit romantic comedy "Hum Hain Rahi Pyar Ke" (1993). He also made his playback singing debut with "Ghulam" (1998).