In Uttar Pradesh and Bihar, the two states where transmission has been most tenacious, the most dangerous serotype has not been detected at all during the first seven months of this year.

This year teams of workers headed to train stations, schools and villages, mostly in Bihar and Uttar Pradesh, dosing children with vaccines and promoting habits like soapy hand-washing.

Rest if indians always have problem with Bihar whether developing or not developing.

Public Civil Service Commission in Bihar, India's most populous state, has reported a surge in visits from 5, 000 families looking for grooms with lucrative bride income potential for their daughters.

In India hundreds of scientists are gathering at Taregana, a village in Bihar, because they believe it is the ideal spot for observation.