 The exact beginnings of the haridasa movement in the Kannada @-@ speaking region have been disputed . Belur Keshavadasa , a noted Harikatha scholar , claimed in his book Karnataka Bhaktavijaya that the movement was inspired by saint Achalananda Dasa of Turvekere ( in the modern Tumkur district ) in the 9th century . However , neither the language used in Achalananda Dasa 's compositions nor the discovery of a composition with the pen name " Achalanada Vitthala " , which mentions the 13th @-@ century philosopher Madhvacharya , lends support to the 9th @-@ century theory . Naraharitirtha ( 1281 ) , one of earliest disciples of Madhvacharya , is therefore considered the earliest haridasa to write Vaishnava compositions in Kannada . Secular topics were popular and included treatises on poetry ( Sringararatnakara ) and writings on natural sciences ( Rattasutra ) , mathematics ( Vyavaharaganita ) , fiction ( Lilavati ) , grammar ( Shabdamanidarpana ) , rhetoric ( Udayadityalankara ) and others . 
 The exact beginnings of the haridasa movement in the Kannada @-@ speaking region <a href='been_done' title='1'><mark>have</mark></a> been disputed . Belur Keshavadasa , a noted Harikatha scholar , claimed in his book Karnataka Bhaktavijaya that the movement was inspired by saint Achalananda Dasa of Turvekere ( in the modern Tumkur district ) in the 9th century . However , neither the language used in Achalananda Dasa <a href='null_genetive' title='2'><mark>'s</mark></a>compositions nor the discovery of a composition with the pen name " Achalanada Vitthala " , which <a href='uninflect' title='3'><mark>mentions</mark></a> the 13th @-@ century philosopher Madhvacharya , <a href='uninflect' title='4'><mark>lends</mark></a> support to the 9th @-@ century theory . Naraharitirtha ( 1281 ) , one of earliest disciples of Madhvacharya , is therefore considered the earliest haridasa to write Vaishnava compositions in Kannada . Secular topics <a href='uninflect' title='5'><mark>were</mark></a> popular and included treatises on poetry ( Sringararatnakara ) and writings on natural sciences ( Rattasutra ) , mathematics ( Vyavaharaganita ) , fiction ( Lilavati ) , grammar ( Shabdamanidarpana ) , rhetoric ( Udayadityalankara ) and others . 
The exact beginnings of the haridasa movement in the Kannada @-@ speakin region done been disputed . Belur Keshavadasa , a noted Harikatha scholar , claimed in his book Karnataka Bhaktavijaya that the movement was inspired by saint Achalananda Dasa of Turvekere ( in da modern Tumkur district ) in tda9th century . However , neither the language used in Achalananda Dasa  compositions nor the discovery of a composition wid thdaen name " Achalanada Vitthala " , which mention the 13th @-@ century philosopher Madhvacharya , lend support to the 9th @-@ century theory . Naraharitirtha ( 1281 ) , one of earliest disciples of Madhvacharya , is therefore considered thedarliest haridasa to write Vaishnava compositions in Kannada . Secular topics was popular and included treatises on poetry ( Sringararatnakara ) and writings on natural sciences ( Rattasutra ) , mathematics ( Vyavaharaganita ) , fiction ( Lilavati ) , grammar ( Shabdamanidarpana ) , rhetoric ( Udayadityalankara ) and others .