A system is already in place for the service and banks need to "wake up and move" on it, Trai Chairman Rahul Khullar said during an Assocham event on financial inclusion.
"I intend, irrespective of what the central bank does, to ensure the regulation we have put in place will be enforced and I have already written to the Finance Minister explaining that the system is already in place, it is now for the Ministry of Finance to tell the bankers wake up and move," he said.
The Telecom Regulatory Authority of India had in November issued guidelines and tariffs on unstructured supplementary service data (USSD)-based mobile banking services.
The guidelines, which came into force from January 1, have prescribed the ceiling tariff for an outgoing USSD-based mobile banking service at Rs 1.50 per session.
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"I have already issued a regulation which mandates them (telcos) as of January 1 to provide the pipe connection to the NPCI and sometime later this month I will call them and find out exactly where they are," Khullar said.
NPCI is the nodal agency under the Reserve Bank that manages the national payment switch.
The Reserve Bank had also expressed its disappointment over the lower-than-expected spread of mobile banking in the country saying that the awareness levels of this tool has been wanting.
RBI allows only a bank-led model for mobile banking, with only those banks that operate in the country being permitted to offer this service.
As many as 78 banks, including a few regional rural banks, urban cooperative banks, offer mobile banking services in the country.