The Forestry Sector Master Plan (FSMP) approved by the Government of Sri Lanka hasidentified the need for commercialised state owned forest plantations. This study examinescommercial viability of single species forest plantations (Albizia. Eucalyptus. MahoganyPines and Teak) for Timber (saw log and non-sow log) production and Pines plantationsfor resin tapping and subsequent timber production.Financial analysis aids planning of investment. financing and assessing businessoperations. Decisions on investments and financing a business primarily depends onfinancial profitability. In financial analysis benefits and costs rcaliscd over time arediscounted using market lending interest rate to compare benefit and cost in present values.A most commo...