▁began ▁in ▁the ▁u pl ands , ▁was ▁ref ined ▁in ▁the ▁low lands ▁and ▁then ▁rec yc led ▁back ▁into ▁the ▁De cc an . ▁This ▁bi - direction al ▁flow ▁of ▁cultural ▁influ ences ▁brought ▁into ▁being ▁a ▁feeling ▁of ▁cultural ▁aff inity ▁between ▁those ▁who ▁spoke ▁the ▁Tel ug u ▁language ▁where ▁nothing ▁of ▁that ▁nature ▁had ▁previously ▁existed . ▁The ▁un ification ▁of ▁the ▁distinct ▁u pl and ▁and ▁low land ▁cult ures ▁was ▁their ▁most ▁significant ▁political ▁achiev ement , ▁achieved ▁through ▁a ▁process ▁of ▁binding ▁many ▁locally ▁powerful ▁figures ▁in ▁alleg iance ▁to ▁the ▁emp ire . ▁ ▁The ▁area ▁of ▁land ▁under ▁K ak ati ya ▁control ▁reached ▁its ▁z en ith ▁around ▁the ▁ 1 3 th ▁century ▁CE ▁during ▁the ▁rule ▁of ▁Gan ap ati ▁De va . ▁By ▁this ▁time , ▁South ▁India ▁and ▁the ▁De cc an ▁was ▁essentially ▁under ▁the ▁a eg is ▁of ▁four ▁H indu ▁monarch ies , ▁of ▁which ▁the ▁K ak ati y as ▁were ▁one . ▁ ▁The ▁four ▁dynast ies ▁were ▁in ▁a ▁constant ▁state ▁of ▁war fare ▁with ▁each ▁other , ▁with ▁the ▁K ak ati y as ▁eventually ▁exer cis ing ▁control ▁from ▁close ▁to ▁An ag ond i ▁in ▁the ▁west ▁to ▁Kal y ani ▁in ▁the ▁north - east , ▁and ▁down ▁to ▁K ane i ▁and ▁Gan j am ▁district ▁in ▁southern ▁Or issa . ▁ ▁Architecture ▁▁ ▁A ▁notable ▁tr end ▁during ▁the ▁d yn astic ▁period ▁was ▁the