General objective of this term paper is to present on Investment Function of Leasing Company. Here focus on IDLC finance limited. IDLC finance ltd. started its journey in 1985, as the first ever leasing company of the country. The report mainly focused on the leasing company’s functions, source of fund, investment and rules and regulation regarding leasing company. But as capital market is one of the highest concerns of today’s financial institutions, here also focus on the capital market activities of the firm.