Bill Gates In India

Microsoft co founder Bill Gates, left, speaks with a villager in Aulali, Khagaria district of Bihar state, before heading to Guleria, Wednesday, May 12, 2010, in India. Gates, whose philanthropic foundation has committed nearly $1 billion for health and development projects in India, traveled to Guleria, a remote village in eastern India to see the progress of the Indian government's campaign to eradicate polio. (AP Photo/Prashant Ravi)

Microsoft co founder Bill Gates, center, speaks with a villager in Aulali, Khagaria district of Bihar state, before heading to Guleria, Wednesday, May 12.Gates, whose philanthropic foundation has committed nearly $1 billion for health and development projects in India, traveled to Guleria, a remote village in eastern India to see the progress of the Indian government's campaign to eradicate polio. (AP Photo/Prashant Ravi)

Microsoft co founder Bill Gates, wearing cap facing camera, takes a boat ride to reach the other side of River Kosi in Aulali, Khagaria district, before heading to Guleria, in Bihar state, Wednesday, May 12, 2010. Gates, whose philanthropic foundation has committed nearly $1 billion for health and development projects in India, traveled to Guleria, a remote village in eastern India to see the progress of the Indian government's campaign to eradicate polio. (AP Photo/Prashant Ravi)

India's ruling Congress party General Secretary Rahul Gandhi, right, and Microsoft chief Bill Gates arrive at an eye testing camp in Amethi, India, Tuesday, May 11, 2010. According to a local news agency, Gates' Bill and Melinda Gates Foundation is expected to adopt Gularia village in Bihar's Khagaria district to help improve the socio economic condition of the people. (AP Photo)

Microsoft co founder Bill Gates, center, speaks with a villager in Aulali, Khagaria district, before heading to Guleria, in Bihar state, Wednesday, May 12. Gates, whose philanthropic foundation has committed nearly $1 billion for health and development projects in India, traveled to Guleria, a remote village in eastern India to see the progress of the Indian government's campaign to eradicate polio. (AP Photo)

Indian villagers watch as Microsoft co founder Bill Gates, third from right, walks through dusty pavements to reach Guleria village in Aulali, Khagaria District of Bihar state Wednesday, May 12, 2010, in India. Gates, whose philanthropic foundation has committed nearly $1 billion for health and development projects in India, traveled to a remote village in eastern India to see the progress of the Indian government's campaign to eradicate polio. (AP Photo/Prashant Ravi)

Indian policemen accompany as Microsoft co founder Bill Gates, center left, walks through dusty pavements to reach Guleria village in Aulali, Khagaria District of Bihar state Wednesday, May 12, 2010. Gates, whose philanthropic foundation has committed nearly $1 billion for health and development projects in India, traveled to a remote village in eastern India to see the progress of the Indian government's campaign to eradicate polio. (AP Photo/Prashant Ravi)

Microsoft co founder Bill Gates, right, interacts with community workers at Guleria village in Aulali, Khagaria District of Bihar state Wednesday, May 12, 2010. Gates, whose philanthropic foundation has committed nearly $1 billion for health and development projects in India, traveled to the remote village in eastern India to see the progress of the Indian government's campaign to eradicate polio. (AP Photo/Prashant Ravi

Microsoft co founder Bill Gates, center, arrives at the airport at Patna, Bihar state, India, Wednesday, May 12, 2010. Gates, whose philanthropic foundation has committed nearly $1 billion for health and development projects in India, traveled to a remote village in eastern India to see the progress of the Indian government's campaign to eradicate polio. (AP Photo//Aftab Alam Siddiqui)