New Delhi, May 28 -- For decades, retirement planning has focused on one question: how large a corpus can you build? But retirees do not live on a corpus. They live on income. And that is where retirement planning becomes more complex.

Building wealth is only half the journey. The real challenge begins when that wealth has to be converted into dependable cash flow that can support expenses for the next 25 or 30 years.

This has long been the one missing piece in the National Pension System (NPS). While NPS has helped millions of Indians build retirement wealth in a disciplined and tax-efficient manner, subscribers were largely left to decide for themselves how to manage that corpus after retirement.

With the introduction of the Retireme...