Ranthambore Reserve to shift tigress out over fights with sibling Ranthambore Reserve to shift tigress out over fights with sibling Two-and-a-half-year-old tigress Ridhi will be moved out of Ranthambore Reserve after repeated fights with her sister Sidhi. advertisement Image for Representation After repeated fights between tigress siblings in the Ranthambore Tiger Reserve for zone-3, authorities have now decided to shift out two-and-a-half-year-old tigress Ridhi to the Sariska Tiger Reserve (STR). Ridhi and Sidhi are daughters of tigress Arrowhead and have often been caught fighting over the last eight months. People aware of the situation termed this a third-generation of conflict between mother and daughters for the zone-3 of the Ranthambore Tiger Reserve.