All samples of bird droppings collected from Delhi Zoo in the third round of serological surveillance have tested negative for Avian influenza virus.
The district administration has also ordered the closure of all poultry farms and shops selling chicken for the next 21 days.
Scientists have isolated the genetic material of this strain of flu in seven employees of a poultry farm in Russia's south, where an outbreak was registered among the poultry in December.
Minister of State for Health Ashwini Choubey told Lok Sabha there are no laboratory-confirmed human cases of avian influenza reported in the country.
Tapi Collector R J Halani issued a notification on Monday evening, banning the transportation of eggs, chicken and poultry farm products to and from the border adjoining Navapur for two months.
An order issued by the ASI says that the decision for the closure of Mughal fort-palace had been taken after the directions from the DM.
According to the NHK broadcaster, the chicken farm, located in the town of Shirosato, started slaughtering about 840,000 chickens on Tuesday morning.
Officials said the samples lifted from dead crows at Athwajan and Peerbagh tested positive for H5N8 strain of bird flu as per the report from ICAR-NISHAD, Bhopal.
At least 1,865 ducks, 622 quails, 32 chickens, 25 turkeys, 542 eggs and 75 kg chicken fodder were destroyed after detection of virus at the local farm, the release said.
So far, 71,883 poultry birds, 44,146 eggs and 63,339 kilograms of poultry feed have been destroyed, officials informed.
He expressed hope that the state would soon be completely free from bird flu with efforts being taken by the state government and poultry farmers.
The disease in other birds such as crows, migratory and wild birds has been confirmed in 12 states.
The spread of avian flu, earlier, led the neighbouring states to cut off the poultry exchange so as to contain it. This also led to losses in the poultry business in the affected states.
Bird flu outbreak was confirmed in some districts of Maharashtra earlier this month.
Compensation is paid to farmers whose poultry birds, eggs and poultry feed are culled/disposed of by the state as per the action plan.