Given the higher life expectancy in India today with improved medical care, Indians must prepare themselves for financial security post-retirement by ensuring stable income streams, emphasised K.S. Rao, head of investor education and distribution development at Aditya Birla Sun Life AMC Ltd, during a presentation at Outlook Money’s 40After40 Retirement Expo at Pragati Maidan in New Delhi on the final day of the two-day event on Saturday.