Other potential players, including India Post, business correspondents, prepaid payment instrument providers and retail chains, would be at a "disadvantage" as compared to telecom companies, Crisil's research unit said in a note.
"We believe that telecom operators are ideal candidates to set up payment banks, given their significant customer base in rural areas and well-entrenched distribution networks," Crisil said in a note released a day after the RBI issued its final guidelines on setting up payments banks and small finance banks.
Many telecom companies already offer m-wallet services for remittances and bill payments, which has seen transactions triple to Rs 27 billion in the last two years, it said.
Telecom companies running payment banks makes "strategic sense" as it improves their "connect" with customers, the note said.
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Crisil Research said that in five years, payment banks would account for a minuscule 0.5 per cent of the low-cost CASA deposit base of the industry.
Other contenders like India Post, business correspondents, prepaid payment instrument providers and retail chains, would have to invest a lot to launch such services.
"All of them would have to incur a much higher cost compared to telecom operators to set up competitive distribution networks and gain customers," the note said.