If you’re running a business or organization and want to send bulk SMS in India—whether promotional, transactional or OTP—you must complete DLT registration. It’s not optional anymore. Thanks to TRAI (Telecom Regulatory Authority of India), DLT (Distributed Ledger Technology) is now mandatory for every sender.
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But don’t worry, the whole process is not as scary as it sounds. Let’s break it down in a simple way…
🧐 What is DLT Registration?
DLT stands for Distributed Ledger Technology, which is just a fancy term for a system started by TRAI to control spam and fake messages in India. Basically, it keeps SMS communication clean and traceable.
Whether you’re running a business, school, college, hospital, or just a small startup, if you’re using any bulk SMS gateway or API to send messages—you gotta register your entity and sender ID on a DLT platform like Jio, Airtel, Vi, or BSNL. Yup, it’s not optional anymore. Even if you’re only sending OTPs or simple alerts, DLT registration is now compulsory for everyone.
✅ Who Needs to Do DLT Registration in 2025?
If you fall in any of these categories, you 100% need DLT registration:
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Businesses using SMS services for marketing or alerts
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Schools/colleges sending student updates via SMS
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Banks, NBFCs, or Fintech apps sending OTPs
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Hospitals and clinics sending appointment reminders
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Govt agencies sending bulk messages
Basically, anyone sending SMS with a sender ID or SMS templates.
🧾 Documents Required for DLT Registration
Here’s what you’ll need to upload while registering:
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PAN card of the entity
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GST certificate or Company Registration Proof
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Letter of Authorization (LoA) on company letterhead
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Valid Email ID and Mobile number
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Aadhaar card of authorized signatory (some portals ask this)
🖥️ How to Do DLT Registration in 2025 – Step-by-Step
You can register on any one DLT portal (Jio, Airtel, BSNL, etc.), and it works across all operators. Here’s how to do it:
Step 1: Visit a DLT Portal
Choose one of the below official links:
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Jio DLT: https://trueconnect.jio.com
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Airtel DLT: https://dltconnect.airtel.in
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Vodafone Idea DLT: https://smartconnect.in
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BSNL DLT: https://www.ucc-bsnl.co.in
Step 2: Register as an “Enterprise”
Click on “Register New” → Choose “Enterprise” (if you’re a business)
Enter your basic details, upload documents, and verify your mobile via OTP.
Step 3: Add Header (Sender ID)
Once your entity is approved, you’ll need to add your Sender ID (like “VM-ABCDEF”)
For promotional: numeric header
For transactional/OTP: alphabetic 6-character header
Step 4: Register SMS Templates
Upload all your SMS templates—like OTP messages, transaction alerts, appointment messages, etc.—and get them approved.
🔄 How Long Does DLT Approval Take?
Normally, Entity approval takes 24–48 hours, and headers/templates get approved in 1–2 working days, if all documents are fine.
💰 Is There Any Fee for DLT Registration?
Yes. Some operators (like Jio, Airtel) may charge a one-time fee around ₹590–₹1180 + GST. But it’s a one-time cost unless you want additional services.
🧠 Tips for Faster Approval
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Double-check your documents before uploading
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Use official company email ID (like [email protected])
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Match PAN and GST details exactly
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Keep the LoA on letterhead with signature and seal
❓FAQs – DLT Registration 2025
Q. Can I use one DLT portal for all operators?
✅ Yes! Once registered on one, it works with all.
Q. Can freelancers or individuals do DLT?
Not really. It’s for registered entities. But you can try using your PAN and Aadhaar if you’re a registered proprietor.
Q. What if I don’t do DLT registration?
Well, your SMS won’t get delivered. That’s the bottom line.
✍️ Final Thoughts on DLT Registration 2025
So yeah, DLT registration is now compulsory if you’re sending bulk SMS in India. Might feel technical at first, but once you’ve done it, it’s set for good. Just keep your DLT panel login safe, and don’t forget to update templates when needed.
If this guide helped, don’t forget to share it with someone managing SMS for their org too. Saves a lot of trial-and-error. 😄