TRAI-Compliant • DLT Registered • PAN-India Delivery

Bulk SMS Service Provider in Delhi

Send promotional SMS, transactional alerts, and OTPs to customers across Delhi and the NCR at rates starting from ₹0.15/SMS — on TRAI-compliant, DLT-registered routes built for high deliverability.

Starting at ₹0.15 per SMS • no hidden setup costs

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Delhi businesses rely on Duotech for

OTP & transaction alerts for e-commerce and fintech
Festival and retail campaigns across Delhi markets
Real-estate project updates for NCR buyers
WhatsApp Business API & IVR for follow-up journeys

Why Delhi Businesses Choose Us

Enterprise-grade messaging, priced for Delhi SMEs

From single-store retailers in Karol Bagh to multi-branch enterprises in Nehru Place and Gurugram, Duotech delivers the same carrier-grade infrastructure with local account management.

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High Deliverability

Direct operator routes with smart fallback keep messages out of spam folders.

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DLT Handled For You

We manage TRAI DLT registration, headers, and content templates end to end.

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Instant API

REST API with SDKs for PHP, Node.js, Java and Python — live in under an hour.

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Real-Time Reports

Delivery logs, click tracking, and per-campaign analytics in your dashboard.

Delhi Use Cases

How Delhi businesses use bulk SMS

Practical messaging that works across the capital's key sectors.

Retail & Festive Promotions

Diwali, New Year and sale alerts to opted-in customers in your database — measured by redemption, not just delivery.

Real Estate & RERA

Project site updates, payment reminders, and launch announcements for NCR developments with compliant 17-series headers.

E-commerce OTP & Alerts

Coaching & Schools

Fee reminders, exam schedules, and parent updates for coaching institutes across Delhi-NCR.

Hospitals & Clinics

Appointment reminders and health-camp notifications that cut no-shows by up to 40%.

Restaurants & Cafés

Weekend offers and loyalty messages to your regulars — cheap, instant, and personal.

Delhi Pricing

Transparent per-SMS pricing, no slabs hidden in fine print

All plans include DLT registration support, dashboard access, and a free sandbox to test before you buy.

Promotional SMS

₹0.15/SMS

Campaign messaging to opted-in customers. Volume discounts above 100K SMS/month.

Transactional SMS

₹0.15/SMS

OTPs and order/transaction alerts with 99.9% uptime SLA. Most popular with Delhi businesses.

OTP Service

₹0.20/SMS

Priority OTP delivery with 5-second transit window and auto-fallback routing.

Delhi FAQ

Frequently asked questions

Yes. TRAI requires all promotional and transactional SMS to use DLT-registered headers and templates. Duotech handles the registration process for you and keeps your templates approved before campaigns go live.

Yes. Our routes cover all Indian telecom circles (including all Delhi-NCR operators) plus 190+ countries, so you can reach customers across India and abroad from one account.

You can start with as low as ₹1,000 of prepaid credit. We provide a free sandbox first so you can integrate and test the API before paying anything.

Most OTPs deliver in 3–5 seconds on our transactional routes. Our network has direct operator connectivity in the Delhi circle for minimum latency.

Pan-India Coverage

Also serving businesses across India

Same platform, same pricing, same DLT support in these cities.

Delhi Mumbai Bangalore Hyderabad Pune All India

Ready to send your first campaign in Delhi?

Get a free sandbox account and a tailored quote within 4 working hours. Call +91-8800722190 or start below.

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