Zia, a two-time former Prime Minister, boycotted a January 5 general election fearing that Hasina would rig the vote with a biased election commission and a "partisan" civil administration.
Speaking on the eve of the first anniversary of the disputed polls, Zia said Prime Minister Sheikh Hasina had broken a pledge to hold a dialogue and pave the way for "inclusive elections" very shortly.
Instead, she said, her bitter rival had broken the promise, killing democracy in the process.
"Only an inclusive general election is the way out from the crisis and the government must meet the demand for the betterment of the country," she said.
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She said her party would hold nationwide protests on January 5 to mark the first anniversary of "democracy killing day" after Hasina went ahead with the polls last year despite a boycott by a Zia-led 20 party opposition alliance.
The unprecedented boycott meant there was no contest in the majority of the country's 300 parliamentary seats, allowing Hasina to romp home with a massive landslide.
Hasina's government has ruled out any polls before her term expires in 2019, and has launched a crackdown to prevent the opposition from organising mass protests ahead of the polls anniversary.