Correct option is C
RTGS (Real-Time Gross Settlement) and NEFT (National Electronic Funds Transfer) are digital payment systems as they facilitate electronic fund transfers. Demand drafts and cheques are paper-based instruments, not digital.
Information Booster:
· RTGS: Real-time transfer of large amounts of money (₹2 lakhs and above).
· NEFT: Batch-wise settlement of electronic fund transfers with no minimum limit.
Additional Knowledge:
· (B) Demand draft and (D) Cheque are non-digital payment instruments used for secure fund transfers.