Many of those victims are today the beggars with withered and twisted limbs who limp and crawl between cars pleading with motorists at city junctions, but Rukhsar Khatun has recently started school and is growing up under the watchful gaze of the global charity Rotary which has played a leading role in the campaign to eradicate polio. They see her as a living turning point, the end of a horrible history, and an inspiration for countries like Pakistan, Afghanistan and Nigeria where polio remains endemic: If India, once the single largest concentration of polio sufferers in the world, can eradicate the disease, any country can.