Transferring funds in real-time and 24X7X365 interbank was a major challenge faced in the banking industry. Only NEFT & RTGS were available to users for fund transfer during banking hours.
 Immediate Payment Service (IMPS) public launch happened on 22nd November 2010 by Smt. Shyamala Gopinath, DG RBI at Mumbai, and this service is now available to the Indian public.

IMPS provides robust & real-time fund transfer which offers an instant, 24X7, interbank electronic fund transfer service that could be accessed on multiple channels like Mobile, Internet, ATM, SMS. IMPS is an emphatic service that allows transferring of funds instantly within banks across India which is not only safe but also economical. Currently, on IMPS, 644 members are live which includes banks & PPIs.

This facility is provided by NPCI through its existing NFS switch.

The eligible criteria for the Banks that can participate in IMPS are that the entity should have valid banking or prepaid payment instrument license from the Reserve Bank of India to participate in IMPS.
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