NPS has a unbundled architecture where each function is performed by different entities as mentioned below

• Point of Presence –Points of Presence (POPs) are the first points of interaction of the NPS subscriber with the NPS architecture. The authorized branches of a POP, called Point of Presence Service Providers (POP-SPs), will act as collection points and extend a number of customer services to NPS subscribers
• Central Recordkeeping Agency –The recordkeeping, administration and customer service functions for all subscribers of the NPS are being handled by NSDL e-Governance Infrastructure Limited, which is acting as the Central Record-keeper for the NPS
• Pension Fund Managers – The Pension Funds (PFs) appointed by PFRDA would manage your retirement savings under the NPS
• Annuity Service Providers – ASPs would be responsible for delivering a regular monthly pension to you after your exit from the NPS
• Trustee Bank – The Trustee Bank appointed under NPS shall facilitate fund transfers across various entities of the NPS system viz. PFMs, ASPs, Subscribers, etc. Axis Bank has been appointed as the Trustee Bank
• NPS Trust – The NPS trust has been set up and constituted for taking care of the assets and funds under the NPS in the interest of the beneficiaries (subscribers)
• PFRDA – An autonomous body set up by the Government of India to develop and regulate the pension market in India