Some carried pictures of some of the 179 victims that were killed in the attacks that lasted from Nov 26-29.
"This is to create awareness among people about terrorism and draw the attention of our politicians," said Saurabh Vadgaonkar, who with several classmates, took time off from college to link hands a short distance from the Taj Mahal hotel.
The chain, broken at several points, made its way from the Taj Mahal Hotel in south Mumbai, where gunmen held hostages and fought off commandos for 60 hours, to the northern suburbs. It slowed traffic in some places until petering out farther north.
Mumbai, India's financial hub, has seen numerous candlelight vigils, rallies and marches in the days since the attacks, with information spreading through mass text messages, e-mail and Facebook, and galvanising the normally placid middle-class.