The Indian Telecom Customer Investors Have Misread

India’s prepaid users talk more than postpaid customers, challenging investor assumptions about telecom value, engagement and the economics of mobile plans.

istock.com
Article related image
Representational Image
Author
By Krishnadevan V

Krishnadevan is Editorial Director at BasisPoint Insight. He has worked in the equity markets, and been a journalist at ET, AFX News, Reuters TV and Cogencis.

August 17, 2026 at 12:34 PM IST

Indians are talkative. Or, at least, one part of the mobile telecom market is.

The surprise is not that India still talks on the phone. It is who does the talking. In the quarter ended March 2026, prepaid subscribers spent 1,074 minutes a month on voice calls, more than twice the 477 minutes recorded by postpaid users, according to latest available TRAI data. Yet the prepaid user generated average monthly revenue of 196.22, a shade above the 194.31 generated by the supposedly more valuable postpaid customer.

That result upsets a durable assumption in Indian telecom. Investors treat postpaid users as the premium end of the market. They receive bills rather than topping up a balance, tend to buy larger bundles and appear less likely to leave at the first tariff rise. Prepaid users are at the other end of the assumption. They are assumed to be price-sensitive, fickle and less profitable.

The numbers suggest that this divide now tells an incomplete story. The cheaper plan may carry the more active relationship.

For years, postpaid has offered analysts a pleasingly simple proxy for customer quality. A monthly bill implies a steadier income, and a cleaner route to selling extra data, streaming services or a family plan. It looks like a landlord collecting rent from a reliable tenant.

Prepaid resembles a mandi stall. Customers arrive with a small amount of cash, buy what they need and may not return. That picture made sense when voice calls were metered and a recharge was a direct measure of constrained spending.

Unlimited calling is sine qua non with most mainstream mobile bundles. A subscriber does not decide whether to make another call by counting its marginal cost. The call has become part of the basic service, like electricity supplied with a rented flat. What matters is not the price of the next minute but the value of staying connected.

The March-quarter figures show how differently the two customer groups use that connection. Prepaid users spoke for almost 36 hours a month. Postpaid users spoke for just under 16 hours. Across 2025–26, prepaid voice use stayed between 1,052 and 1,074 minutes a month. Postpaid use remained between 477 and 516 minutes. This was not a curious quarter or a statistical wobble. It was a stable pattern.

The mobile number is doing more work than the billing category suggests. For a small trader, it can be a shop counter, delivery desk and complaints line. For a worker, it can be the quickest way to confirm a shift, chase a payment or settle an address.

A message can say that a consignment has arrived. A call establishes whether it really has, whether the order is complete and whether the person on the other end sounds as though they are about to disappear.

This does not mean that prepaid users cannot write, or that postpaid users have lost the capacity to converse. The figures measure plans, revenue and usage, not motives. But they do reveal a fact that investors should take seriously. Prepaid is no longer low value.

The distinction becomes clearer when broadband data enters the picture. Average wireless data use reached 26.70 GB per subscriber per month in the January to March quarter. India has not chosen voice instead of data. It has given them different jobs. Data is where people watch, scroll, pay and forward. Voice is where they argue, explain and settle matters that are too messy for a string of blue ticks.

This will explain why the old postpaid premium may be less secure than it appears. A customer who repeatedly recharges is not simply buying minutes. They are buying continuity - they need their number to work when a customer calls, when a payment is delayed, when a child is away from home or when a supplier has delivered half the order.

This does not make prepaid automatically more profitable. Telecom companies still have to spend money to attract customers, maintain networks, answer complaints and carry ever-growing data traffic. They also need to judge whether a prepaid user will stay after a tariff rise.

Nor should telecom companies abandon postpaid. Postpaid customers can still buy larger data packs, add family members and take bundled services. They may also cost less to serve over time. The point is narrower. Postpaid mix does not, by itself, tell where the strongest customer sits.

The next question is whether operators can turn prepaid engagement into better economics without breaking the bargain that created it. Tariffs have to rise enough to pay for networks.

They cannot rise so sharply that the customer who uses a mobile number as commercial infrastructure starts rationing the very calls that make the service valuable.

This is where bargaining power has shifted. The operator owns the spectrum, the towers and the billing system. But the prepaid customer controls something harder to replace.

They decide whether a mobile number remains the first place where work, payments and family coordination happen. If a plan becomes too expensive, the network does not merely lose a low-value user. It risks losing a small but persistent stream of business.

India had 1.30 billion wireless mobile and fixed-wireless connections, including machine-to-machine links, at the end of June 2026. Its active mobile base stood at 1.20 billion.

In such a market, a small mistake about who creates value can become a large mistake about where to invest.