Ateghe Sediqi members of the welcoming staff when Ruhollah Khomeini returned to Iran from exile on 1 February 1979. After Rajai was assassinated in a bombing on 30 August 1981, Sediqi was nominated for the parliamentary seat of Tehran, Rey, Shemiranat and Eslamshahr district in a by-election held on 2 October 1981. She won the election with 1,842,746 votes. She was also re-elected in the 1984 and 1988 elections. However, her nomination for the 1992 election was rejected by the Guardian Council. She supported Mir-Hossein Mousavi in the 2009 presidential election and retired from politics after the election. She opposed former President
Hossein Shariatmadari Mir Hossein Mousavi was trying to "escape punishment for murdering innocent people, holding riots, cooperating with foreigners and acting as America's fifth column inside the country" and called for Mousavi and former reformist President Mohammad Khatami to be tried in court for "horrible crimes and treason." In 2009, during the first contested presidential elections, Shariatmadari was announced that Mohammad Khatami would risk the same fate of Benazir Bhutto if he was elected. After the elections, alongside the Green Party protests, Shariatmadari accused Mir Hossein Mousavi of being a fifth column of the US and causing the deaths of many people.