Contents owned and maintained by Commercial Taxes Department, Govt. of Karnataka. IT Solution By National Informatics Centre, Bangalore. Contents owned and maintained by Commercial Taxes Department,Govt. of Karnataka. Powered By National Informatics Centre, Bangalore. Q: What is e - PRERANA ? A: e - PRERANA is an online scholarship management system introduced by the Government of Karnataka to facilitate the disbursement of scholarships to students belonging to backward classes. What is e - Prerana , and who can use it? Now, both employers and the self-employed can file professional taxes through the new software e - Prerana developed by the Department of Commercial Taxes of the Karnataka Government.