The Czechs have won the premier women's team event the last two years and four times since 2011 thanks to the strength of the ace duo.
A win in April would put the US in contention for the Fed Cup title next year. The draw for the playoffs is on Tuesday.
India have been placed in Group A along with top seeds Japan for the Asia/Oceania Group I Fed Cup competition, to be held from February 3-6 in Thailand.
Sania Mirza was on Monday named captain of the Indian team for next year's Fed Cup while two six-member squads were announced by the AITA selection panel for the South Asian Games.
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