Which of the following is correct.
(i) NEFT - National Electronic Fund Transfer
(ii) RTGS - Real Time Gross Settlement System
(iii) ECS - Electronic Clearing Services
(iv) CORE - Centralised Online Real time Exchange
(a) (i) & (iii)
(b) (i), & (ii) & (iii) only
(c) (ii) , (iii) and (iv) only
(d) All of them
