India has been pressing the UK to extradite Mallya after he lost his appeals in the British Supreme Court in May against his extradition to India to face money laundering and fraud charges.
Washington claims Assange helped intelligence analyst Chelsea Manning to steal the documents before exposing confidential sources around the world.
Bhandari, who was arrested on an extradition warrant back in July, was due to appear at Westminster Magistrates' Court in London on Thursday for a case management hearing.
At a scheduled hearing at Westminster Magistrates Court in London, District Judge agreed the timetable for the second leg of Modi's extradition trial scheduled between September 7 and 11.
Sharif, who was sentenced in a graft case by an accountability court, informed a court in Lahore last month that he is unable to return to the country as his doctors have told him not to travel.
On Wednesday, the U.S. suspended its extradition treaty with Hong Kong, becoming the latest country to do so after Canada, Australia and Britain suspended such agreements.
The Chinese Embassy in Berlin expressed "strong indignation and firm opposition to the wrong remarks of German Foreign Minister Heiko Maas" in a statement posted on its website and dated Friday.
The move comes in response to China passing a sweeping new security law for the semi-autonomous territory.
At the same time, the newly-appointed envoy said the UK government is aware of the importance India attaches to the case.
As with Hong Kong's withdrawn extradition bill, the concern was the possibility that people could be handed over to mainland Chinese law enforcement and disappear into its opaque legal system.
In May, District Judge Samuel Goozee presided over the first part of the extradition trial, held in a partial remote setting due to the coronavirus lockdown restrictions.
The 48-year-old Australian has been indicted in the US on 18 charges over the publication of classified documents.
A spokesperson in the UK High Commission said the issue is "confidential" and added: "we cannot estimate how long this issue will take to resolve.
Huawei's chief financial officer Meng Wanzhou was detained in Vancouver in December 2018 on the US's charges of bank fraud.
Mallya lost his appeals in the UK Supreme Court against his extradition to India to face money laundering and fraud charges.