While creating Promotional Headers on the portal, the Header should start with the number that matches with the category (as per DND Preferences).


1 Banking/Insurance/Financial products/ credit cards
2 Real Estate
3 Education
4 Health
5 Consumer goods and automobiles
6 Communication/Broadcasting / Entertainment/IT
7 Tourism and Leisure
8 Food and Beverages


If an enterprise registers itself under the category ‘Tourism’, they can register their headers as 712390, 790234, 791919. A health based company should register its headers as 412300, 490909, etc.


PS: Govt. Headers fall under Service Implicit.


Please find below the explanation on type of Headers along with some examples. This will help you understand the difference between various types of messages.

PS: The decision on whether to use the same Header for different type of messages is being discussed among operators. We shall update you as soon as we have a final update.


Promotional Message


Promotional message means commercial communication that can be sent to a mobile subscriber whose preferences are not set (not on DND). Or, any commercial communication that an enterprise can send to an intended Recipient after taking consent to send such messages.

Header (6-digits): 565690, 787878, 987123, 555555, etc.


Sample SMS template1: Happiness Sale on 21 & 22 Dec. Get up to 71% OFF on over 100 brands. Register & get EXTRA Rs. 100/- OFF. Give missed call to 808XXXX234. TnC


Sample SMS template2: 24 Hr Kitchen Furniture SALE up to 35% OFF, till 22 Dec, T&C


Sample SMS template3: Get MY DIET by & lose up-to 10Kg. No exercise. No machine. First free consultation Click .


To revoke consent, send SMS as REVOKE HEADER to 1909


Transactional Message


Transactional message means a message which contains One Time Password (OTP) and requires to complete a banking transaction initiated by the bank customer. This is applicable to all banks including national/ scheduled/private/ Govt. and MNC banks. These Headers are Case Sensitive.

Header (6-alpha): TRUBLQ, TRUblq, TRubLQ, trublq, KLMNOP, DLTDLT, etc.

Sample SMS template1: 763892 is the OTP for trxn of INR 9876.90 at ABCD App with your card XX0000. OTP is valid for 10 mins. Pls do not share it with anyone.

Sample SMS template2: 763892 is OTP for txn of INR 373.32 at ABCD on XYZ Bank Credit Card XX0000. OTPs are SECRET. DO NOT disclose it to anyone. Bank NEVER asks for OTP.

Service Implicit Message

Service Implicit: Any messages, arising out of customer’s actions or his relationship with the Sender, that is not promotional, and is not in the interest of the customer to block such communications. These messages may or may not be triggered by a subscriber-initiated transaction and will not be blocked for subscribers who have otherwise blocked service messages also. These Headers are Case Sensitive.

Confirmation messages of a net banking or a credit/debit transaction;
Product purchase confirmation; delivery status of a parcel;
OTP required for e-commerce website, app login, social media apps, KYC,
Messages from home operator; Messages from schools regarding
Messages from hospitals/clinics regarding appointment/discharge reports;
Govt./TRAI/DoT mandated messages, advisories, messages from state
Govt., LEAs, local authorities, traffic advisories, election commission,
disaster management advisories;

Service messages from car workshops, gadget service centers;
Day-end/ month-end settlement alerts to securities/demat account holders.

Header (6-alpha): ABCDEF, ABCdef, ABceDF, abcdef, AFIOMA, UNFOCO, etc.

Sample SMS template1: Hello! Your A/C no. has been debited by Rs. The A/C balance is Rs. on

The A/C balance is Rs. Info: //REFERENCE NUMBERs

Sample SMS template2: Dear Customer, as per your request, contact details have been updated against your fixed deposit account.

Sample SMS template3: Dear Customer, your order has been picked up by the delivery boy and is on his way. Your delicious pizza is reaching early!

Service Explicit Message

Any service message which doesn’t fall under the category of service message (Implicit) will be sent only against service explicit, digitally verified/verifiable consent that has been taken from the subscriber by the respective enterprise. These Headers are Case Sensitive.

Header (6-alpha): NUTUKI, NUtuKI, NUTuki, nutuki, PRIZEM, ZSERTA, etc.

Sample SMS template1: Dear Customer, Congratulations on your Home Anniversary! Now avail a Top-up up to Rs 50 lacs* with ROI @9.20%* on your Home Loan. Call Toll Free 1800XXXXX00 *T&C

Sample SMS template2: Dear Customer, based on your relationship, we are approving a per-approved Home Loan up to Rs. 1 crore. Click 
here https://www.domain.com/ . Regards, QT Housing. T&C.