2018 Budget Proposal Sri Lanka. Vehicle tax in Sri Lanka 2018 Budget. Budget 2018 Summary. Budget 2018 Sri Lanka Highlights. අයවැය 2018, Government budget, FISCAL MANAGEMENT REPORT 2017 November 09 - රාජ්ය මූල්ය කළමනාකරණ වාර්තාව, அரசிறை முகாமைத்துவ அறிக்கை - 2017 நவம்பர் 09