These Asiatic animals are presently found only in the Gir National Forests in Gujarat.
The park already has three female lions.
Director of the biological park H Jayaprakash Bhandary said the lions were brought to the Park on January 7 andwere now in an enclosure for people to view.
The lions, agedaround six years, would be kept separately from the otheranimals, he said.
Bhandary said they could not be mixed orallowed to inter-breed.
A pair of white peacocks, four Alexandrine parakeets, a pair of Lady Amherst's pheasant, four each of Ibis and Spoonbills had also been brought to the park under the exchange programme from the Sakkarbaug Zoological Garden, he said in a release.
The birds would be kept in a speciallydesigned aviary in the park, he said.