"Politicians have ruined this country, " said Naina, who proudly wore an "I love Bombay" T-shirt.

BBC: Rulers bear brunt of Mumbai anger

"The growth in the industrial and manufacturing sector remains an area of concern as positive growth of 2.4% in January 2013 comes over a low base, " said Naina Lal Kidwai, president of the Federation of Indian Chambers of Commerce and Industry, a lobby group.

WSJ: India Factory Output Improves