An Indian woman runs in the rain past two statues of the revered Hindu god Lord Ganesha outside an unlocked electricity substation in New Delhi, India, Aug. 1, 2012. Factories and workshops across India were up and running again Wednesday, a day after a major system collapse led to the worst blackout in history leaving an estimated 620 million people without electricity. Kevin Frayer/AP
A stranded Indian train passenger rests inside a railway coach as he waits for the train service to resume following a power outage in Kolkata, India, July 31, 2012. India's energy crisis cascaded over half the country when three of its regional grids collapsed. Bikas Das/AP
A traffic jam following power outage and rains at the Delhi-Gurgaon road on the outskirts of New Delhi, India, July 31, 2012. The energy crisis left 620 million people without government-supplied electricity in one of the world's biggest-ever blackouts. AP
Commuters wait for buses outside a Metro station after Delhi Metro rail services were disrupted following power outage in New Delhi, India, July 31, 2012. The outage came just a day after India's northern power grid collapsed for several hours leaving cities and villages across eight states powerless. Rajesh Kumar Singh/AP
An officer reads documents with the help of a torch at the driving registration and license authority office during a power-cut in the northern Indian city of Chandigarh on July 31, 2012. Ajay Verma/Reuters
Commuters walk on empty railway tracks at the New Delhi railway station following a power outage in New Delhi, India, July 31, 2012. Mustafa Quraishi/AP
A handwritten notice about power failure is pasted outside a Metro station after Delhi Metro rail services were disrupted following a power outage in New Delhi, India, July 31, 2012. Manish Swarup/AP
Employees manually fill containers with diesel during a power cut at a fuel station in New Delhi, India, July 31, 2012. Adnan Abidi/Reuters
Commuters talk on mobile phones inside a Metro station after Delhi Metro rail services were disrupted following power outage in New Delhi, India, July 31, 2012. Rajesh Kumar Singh/AP
Indian stranded passengers wait on a platform and some of them on rail tracks for the train services to resume following a power outage at Sealdah station in Kolkata, India, July 31, 2012. Hundreds of trains stalled across the country and traffic lights went out, causing widespread traffic jams in New Delhi. Bikas Das/AP
A Sikh passenger stands at the doorway of a train as he waits for electricity to be restored at a railway station in New Delhi,
A general view of an electric power station on the outskirts of Jammu on July 31, 2012. Mukesh Gupta/Reuters
An innovation from an India-based company may transform the way farmers manage their irrigation systems by giving them the ability to turn pumps on and off remotely with their cell phones.
Managing irrigation pumps and water systems is a difficult and costly task for many farmers in developing countries.
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