Even before US President Barack Obama landed in Mumbai, about a hundred survivors from the 1984 Bhopal gas tragedy staged a demonstration outside the Union Carbide factory here, demanding to meet him in Delhi Nov 8.

The survivors and those affected by groundwater contamination caused by Union Carbide's hazardous waste voiced their demand, saying Obama should ensure that both Union Carbide and Dow Chemicals obey Indian laws and abide by the decisions of Indian courts.