A landslide at Gaushiya Chawl in Kurla's Chirag Nagar killed 28-year-old Sahil Ansari and 14-year-old Mohamad Samir on Wednesday morning.
Emergency teams from the NDRF, BMC, police, and fire brigade are conducting search operations to rescue four to eight people feared trapped.
Two injured teenagers, Sohel Ansari and Mohamad Ansari, are receiving treatment at Bhabha Hospital and remain in stable condition.