Aditya Birla Sun Life Flexi Cap Fund Sun Life of Aditya Birla The Birla Sun Life Mutual Fund House is offering the Flexi-Cap Fund, an open-ended Flexi Cap Equity programme. On August 27, 1998, the fund went live. The fund's investment objective is to "seek long-term capital growth and consistent income by investing 90% of its assets in stocks and 10% in debt and money market instruments."