The famed cattle fair is held at Sonepur, in Northern Bihar on the banks of the River Ganga. It is one Of the Asia  largest cattle fair. The full moon day of the month of Kartik is regarded as one of the most auspicious days for the Hindus.
Sonepur Fair
Sonepur situated on the confluence of the holy rivers Ganga and Gandak, has the reverence of a blessed ground and lasts for a fortnight.A bath at the confluence and a visit to the Hariharnath temple here is the aim for thousands of devotees on the Kartika Purnima day.
The sprawling mela ground here with the pulsating market has the widest possible range of cattle and commodities. The array of shops sells all sorts of merchandise. Sonepur Fair is the only one of its kind where a large number of elephants are sold.