Mumbai, Dec. 22 -- Pension Fund Regulatory and Development Authority (PFRDA) has notified some amendments to the PFRDA (Exits and Withdrawals under the National Pension System) Regulations, 2015. These measures will provide subscribers greater flexibility, choice and autonomy in investment decisions and aid managing accumulated pension wealth. Changes under the revised framework include a reduction in the mandatory annuity purchase to 20% of the accumulated corpus, a lower lock-in requirement, and a longer investment tenure. At present, an NPS subscriber had to mandatorily annuitise 40% of the corpus. The PFRDA has now halved the mandatory annuitised amount to 20% of the corpus, and that too only when the total pension corpus exceeds Rs 1...