DLT & Compliance

How do I register a DLT Principal Entity?

Register as a DLT Principal Entity using your PAN, GST certificate, and an authorisation letter. Approval typically arrives within about 24 hours, and can take up to 72 on operator portals.

5 min readUpdated 28 Oct 2026

Every business sending commercial SMS to Indian numbers must register as a Principal Entity (PE) on at least one operator's DLT portal. Registration is free. Once registered, your PE ID propagates to all operators within 48 hours.

Documents you need

  • Company PAN card (scan, legible).
  • GST registration certificate.
  • Authorisation letter on company letterhead, signed by a director or authorised signatory.
  • Contact details of the authorised signatory (mobile and email).
  • A chosen six-character header (e.g. SMSLCL, CAREIN).

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