Perth:The Indian team of Sania Mirza and Rohan Bopanna has been placed in the tough Group B alongside
United States and hosts Australia for the Hopman Cup to be held from December 29 to January 4.
Sania and Bopanna, who have been given a direct entry for their good show in the previous edition of the mixed team event, are seeded seventh in the eight-team tournament.
They had upset Croatia and the Czech Republic to reach the semifinals, where they lost to Spain last year.
The Group B will also have Czech Republic as the fourth team.
The Indians will face the challenge from the likes of Serena Williams, who has been paired with Mardy Fish, for the 20th edition of the tournament.
The Group A forms of Serbia, France, Argentina and the winners of Asian Hopman Cup, which be played in Bangkok next month.
The four teams in each roup will play in round-robin format and the winners will advance to the final.