Telemarketing in India: how to run B2B telemarketing

The rules, the lists, the scripts and the numbers to watch when you sell to businesses by phone.

Updated 15 October 2026 · 5 min read

What telemarketing means for a business that sells to businesses

Telemarketing is selling, or setting up a sale, over the phone. For a B2B firm in India it usually means a small team calling shops, clinics, factories and offices to book a demo, a visit or an order. This guide covers the rules, the list, the routine and the numbers to watch.

Outbound: your team calls people who have not contacted you. It is the core of outbound sales, alongside cold email and field visits.
Inbound: your team follows up enquiries from your website, ads, trade fairs or B2B marketplaces. These usually convert better, but you cannot control how many arrive.

In-house team or telemarketing agency

An agency, often a BPO running campaigns for several clients, can start within days because it already has seats, diallers and supervisors. An in-house team takes longer to build but learns your product properly.

Use an agency for a short campaign, a simple offer such as an event invitation, or to test a new city before hiring there.
Build your own team when the product needs explaining or the same customers will be called month after month.
Before signing an agency, ask whether it is registered as a telemarketer with a telecom operator, who owns the call data and recordings when the contract ends, and whether you can listen in on live calls. Pay for a short pilot first.

Telemarketing rules in India

Commercial calls and SMS are governed by TRAI's Telecom Commercial Communications Customer Preference Regulations, 2018 (TCCCPR). The main points for a calling team:

DND: people who do not want promotional calls register on the National Customer Preference Register (NCPR) by calling or texting 1909, or through their operator's app. Promotional calls must not go to them, and the rule follows the number: a shop owner's mobile on DND is protected like anyone else's.
Number series: TRAI has assigned the 140 series to promotional calls and the 160 series to service and transactional calls, so people can tell a sales call from a service call before they answer.
Registered route only: promotional calls made from ordinary mobile numbers, outside the registered system, count as unregistered telemarketing, and the numbers used can be disconnected.
Plain dealing: give your name and company on every call, and stop when asked.

Our DND guide explains how the check works. TRAI amends these regulations from time to time, so read the current version on its website before a campaign.

The calling list and the script

The list decides more of your results than the caller's skill does. Business numbers, called about the business's own work, lead to conversations; bought lists of private individuals lead to hang-ups and complaints. Our guide to calling data for telecallers explains the difference.

Give each caller a slice they can learn: one trade in a handful of PIN codes is better than the whole city. Mark existing customers so nobody cold-calls them, and add a do-not-call column on day one.

If you are starting from nothing, these are the largest All-India lists in our catalogue of 6,318 lists. City lists and the list builder narrow them to the places your team covers.

For the words, use our telecalling scripts in Hindi and English, which cover the opener, the common objections and the close. Treat any script as a skeleton: callers should know it well enough to put it down.

A telesales day, and the numbers to watch

A routine that suits many small teams:

First half hour: list today's call-backs and follow-ups, and read the notes on each.
Late morning: new numbers, once owners have settled in and before lunch.
Afternoon: call-backs at the times people gave, then more new numbers.
Last hour: send the quotes and catalogues you promised, update the sheet and set tomorrow's call-backs.

Track five figures for each caller every day: dials (numbers tried), connects (someone answered), conversations (you reached the person who decides and talked about their need), meetings or orders, and follow-ups due against follow-ups done.

A worked example, with made-up figures to show the arithmetic, not an industry average: Kavya books demos for a payroll software firm, calling small factories in Coimbatore. On Tuesday she makes 110 dials, gets 44 connects, has 15 conversations with owners or managers and books 3 demos. Her connect rate is 40%, about a third of connects become conversations, and one conversation in five becomes a demo. Week by week, the ratios show where to help: a low connect rate points to the list or the calling hours, while many conversations but few demos points to the pitch.

Your own first two weeks are the only benchmark worth using, since a call to a pharmacy and a call to a factory owner run very differently. Reward meetings and orders, not dials, or callers will rush through the list.

Tools, hiring and training

Start with a shared sheet, one row per business, and move to a simple CRM once you have more than two or three callers or need reminders.
Record calls only with disclosure. Recordings make the best training material, but say at the start that the call may be recorded, keep the files secure, and take advice on how data protection law applies to you.
Hire for listening and language. A caller who speaks your buyers' language and listens more than they talk will outsell a fast talker. Put a role-play call into the interview.
Train in the first week: product basics, the questions buyers always ask, good and bad recordings, then live calls beside a senior.

Questions people ask

Is telemarketing legal in India?

Yes, within TRAI's rules: promotional calls must respect the DND register and go through the registered route, and callers must say who they are. Service calls, such as a payment reminder to an existing customer, follow separate rules. This is general information, not legal advice.

What is the difference between telemarketing and telesales?

Telemarketing is the wider term: any marketing call, including booking meetings, qualifying leads and event invitations. Telesales means taking the order on the call itself. A tile adhesive maker's caller booking site visits with contractors is doing telemarketing; a stationery distributor taking a school's repeat order by phone is doing telesales.