Complex sentence: Samentha made her debut with channel V's dance show Dil Dosti Dance/D3, Before it she used to be a DJ at "21 Farenhite" in Andheri and also as an assistant DJ at "Firangi Paani".
Split into simpler sentences: Samentha made her debut with Channel V's dance show Dil Dosti Dance/D3. Before this she was a DJ at "21 Farenhite" in Andheri and also as an assistant DJ at "Firangi Paani".