0 0 , 0 0 0 ▁foot - s old iers , ▁ 3 0 , 0 0 0 ▁caval ry , ▁and ▁ 9 , 0 0 0 ▁ele ph ants : ▁wh ence ▁may ▁be ▁formed ▁some ▁conject ure ▁as ▁to ▁the ▁vast ness ▁of ▁his ▁resources ." ▁Pl in . ▁Hist . ▁Nat . ▁VI . ▁ 2 1 . ▁ 8 – 2 3 . ▁ 1 1 . ▁ ▁Learning ▁and ▁scholar ship ▁received ▁great ▁state ▁patron age . ▁P atal i put ra ▁produced ▁several ▁em inent ▁world ▁class ▁sch ol ars . ▁ ▁Sch ol ars : ▁ ▁A ry ab h ata , ▁the ▁famous ▁astronom er ▁and ▁math ematic ian ▁who ▁gave ▁the ▁approximation ▁of ▁Pi ▁correct ▁to ▁four ▁decimal ▁places . ▁ ▁Ash v ag hos ha , ▁poet ▁and ▁influ ential ▁Buddh ist ▁writer . ▁ ▁Chan ak ya , ▁or ▁K aut ily a , ▁the ▁master ▁of ▁state craft , ▁described ▁by ▁Prime ▁Minister ▁J aw ah ar ▁L al ▁Ne h ru ▁as ▁Indian ▁Mach ia vel li — he ▁was ▁the ▁g uru ▁of ▁Ch and rag upt a ▁Ma ury a ▁and ▁author ▁of ▁the ▁ancient ▁text ▁on ▁state craft , ▁Ar th ash as ht ra . ▁ ▁P ā ṇ ini , ▁the ▁ancient ▁H indu ▁grammar ian ▁who ▁form ulated ▁the ▁ 3 9 5 9 ▁rules ▁of ▁S ansk rit ▁morph ology . ▁The ▁Back us – N aur ▁form ▁syntax ▁used ▁to