India power collapse

A commuter walks past the status board for trains displaying Indefinite Late for all the trains following the power outage that struck in the early hours of Monday, July 30, 2012, at a train station in New Delhi. Northern India was plunged into darkness Monday after a supply grid tripped because of overloading, officials said. (AP Photo)

A passenger looks out from the compartment of a stationary train following the power outage that struck in the early hours of Monday, July 30, 2012 at a train station in New Delhi. Northern India was plunged into darkness Monday after a supply grid tripped because of overloading, officials said. (AP Photo)

Stranded passengers wait for power to get restored at New Delhi railway station, Monday, July 30, 2012. Trains across eight northern Indian states and metro services in New Delhi were affected by the outage that struck at about 2 30 a.m. local time. (AP Photo)

Passengers sit in a train as they wait for power to get restore, at a railway station, in New Delhi, Monday, July 30, 2012. Trains across eight northern Indian states and metro services in New Delhi were affected by the outage that struck at about 2 30 a.m. local time. (AP Photo)

Stranded passengers wait for their trains at the New Delhi railway station, Monday, July 30, 2012. Trains across eight northern Indian states and metro services in New Delhi were affected by the outage that struck at about 2 30 a.m. local time. (AP Photo)

An Indian commuter sleeps inside the compartment of a stationary train following the power outage that struck in the early hours of Monday, July 30, 2012, at a train station in New Delhi, India. The electricity grid across northern India failed Monday, leaving hundreds of millions of people without electricity in one of the worst power failures of the past decade. (AP Photo)

An Indian commuter sleeps inside the compartment of a stationary train following the power outage that struck in the early hours of Monday, July 30, 2012, at a train station in New Delhi, India. The electricity grid across northern India failed Monday, leaving hundreds of millions of people without electricity in one of the worst power failures of the past decade. (AP Photo)

Passengers sit in a train and wait for power to be restored at a railway station, in New Delhi, Monday, July 30, 2012. The electricity grid across northern India failed Monday, leaving hundreds of millions of people without electricity in one of the worst power failures of the past decade, officials said. (AP Photo)