A statement from the pope's charity office said they were sent to the two prisons - the older Regina Coeli jail on the Tiber River in the centre and the modern Rebibbia prison in the city's outskirts.
Cardinal Angelo Becciu, formerly a senior official in the Vatican administration, as well as two top officials at the Vatican's Financial Intelligence Unit will go on trial on July 27 over a multi-million euro scandal involving the Vatican's purchase of a building in one of London's smartest districts.
Kalappura, who took part in a protest by nuns belonging to Missionaries of Jesus Congregation seeking the arrest of Bishop Franco Mulakkal, accused of raping a nun, was expelled by the FCC under the Roman Catholic Church in August 2019.
The pope last held an audience with a public crowd in early March. After that, the coronavirus pandemic forced him to hold virtual audiences transmitted from the official papal library over television or the internet, an experience.