Maharani Lilabati Pattamahadei, wife of Gajapati Maharaja Dibyasingha Deb, is upholding a practice which says that the queen should only visit the shrine once in her lifetime. The last Maharani offered prayers in 1966.
Nobody insists that the queen should follow the tradition but it is still continued. Record of Rights (RoR) of the
According to this report in the Indian Express
Sources said the maharani of Puri is the only woman on this earth who has the right to worship inside the sanctum sanctorum of the Jagannath temple.
"This privilege is bestowed upon the Maharani because her husband, the Maharaja, is considered the first sevak (servant) of Lord Jagannath," said Rabindra Pratihari, a priest.
The entire area of the temple will be covered with screens so that nobody can see the queen. She will be carried on a palanquin from the palace to the temple. The priests are not allowed in temple when the queen visits. The rituals at this time are carried out by a young boy priest. The only people present will be the royal family members. Even the royal family members are not allowed inside the inner circle.
Indian Express reports
No outsiders including priests would be allowed to be present in the inner circle of the temple only a mudiratha (a child priest) and a woman from a family of priests would help the maharani to perform puja.