Harohalli Harohalli is a Town in the southern state of Karnataka, India. It is the headquarter of Harohalli taluk of Bengaluru South District in Karnataka.DemographicsAs of the 2001 India census, Harohalli had a population of 7,888, with 4,054 males and 3,834 females.KIADB Harohalli Industrial AreaThe Karnataka Industrial Areas Development Board approved layout dates for phase 1 of the Harohalli industrial area on 3 October 2005. Consequently, phase 2 of the project was approved on 19 August 2008. KIADB’s proposal is to build a multi-product industrial park encompassing about 904.86 hectares as part of combined development of phase II and III of Harohalli industrial park.