jaipur in a sign of thriving tiger population in sariska tiger reserve str st6 which ruled over a large territory in the core area for over six years has been pushed by young male tiger st21 experts said it was an indication that forests had decent strength of tigers the territory is considered as crucial as it is situated in the middle of sariska forest and covers majority of tourist zones dinesh verma durani founder and general secretary of sariska tiger foundation said tigers by nature have their own territories its a healthy sign that a young tiger has overpowered an old tiger to rule the territory entry of young adult males and females every three to five years is required to maintain the balanced population growth earlier this was missingst21 named yuvraj is living with tigress st9 in this territory the pair has been spotted in sariska sadar gate ghanka bhandipul karna ka bas haripura bhartari tiwara ghadedi and sahrunda which was once dominated by the st6 a forest staff at sariska said st21 is approximately threeandahalfyear old and is the first litter of tigress st10 the 13yearold tiger injured st6 has been pushed towards kali ghati and umri region st6 was a famous dominant tiger after launching one of the worst attacks on the then rtr ranger daulat shingh shaktawat it had gone for a long walk to uttar pradesh before returning to bharatpur it was brought to sariska during the translocation programme a wildlife enthusiast said it was an aggressive tiger two years ago st4 fought with st6 to claim this territory but died in the bloody territorial fight recently it also injured a forest guard who was on patrolling said a senior forest official who was posted in sariska at present there are 20 tigers at str including eleven females five males and four cubs sunayan sharma a retired ifs officer said the subadults male tigers st20 and st21 are grown up and have marked their territory its a good sign the big cats are not timid and living on peripheries to feed on cattle young tigers battling for territory is a good sign in sariska the reserve is spread across 1281 sqkm area and is divided into six ranges experts claimed sariska had become selfsustainable and there was no requirement to relocate tigers from another reserve there is no inviolate space for a male tiger as villages have not been relocated from the reserve for long there are 26 villages inside the tiger reserve a new male tiger without a marked territory may also pose a threat to cubs here it is suspected that st9 gave cubs recently and were killed by st21 said a source