Make sure you have the following:

1. DLT Platform.
2. MSG91 with Transactional Credits. (NOT OTP Credits).

For DLT, We recommend you to go for pingconnect or Trueconnect.

Complete the Registration Process.

Header Registration Process :

Go to Header > New Header

• Set Header Type as Other.
• Category > Food & Beverages.
• As per Govt. Norms, the Header should be only 6 Characters. (Example: If FOODOMAA is your Brand Name, You can write only CLOUDY or CLOUFY or a Mixture of 6 Characters as your wish)
• Supporting Docs: GST Registration License of your Company.

Note: Verification takes 24 - 48 Hours.

After Approval of the Header only you can proceed to Template Registration Process, As Template registration requires the Header Name to complete the template registration Process.

Template Registration Process :

Go to Template > Add New Template

• Template Name: OTP   
• Communication Type: SMS   
• Template type : Service Explicit   
• Template Category: Food & Beverages   
• Template to be Pasted : Your OTP Verification code for FOODOMAA Food Delivery is : {#var#}
• Then Click Submit.

Note: Verification takes 24 - 48 Hours.

To see your template id, Click Active Button highlighted in the above screenshot.

In Pingconnect

• Go to Profile > Copy Registration ID.

• Go to OTP Template & Click Active Button. It will pop up with Template ID. Copy the Template ID.
• Go to MSG91 Dashboard > Click SMS from Dashboard.

• Go to Configuration > Sender ID > Add Sender ID.

• Select India as the Country.
• Enter your Approved Header.
• Enter your DLT Registration ID.(Pingconnect > Profile > Registration ID)
• Your Company Name.
• Your Brand Name.
• Your Website URL.
• Your Logo.

Then Save Sender ID.

Generating Auth Code :

Go to Configuration > Auth Key > Create New.

• Auth Name : FOODOMAA.    
• Click Save & Copy the Auth Code.

Login to Foodomaa Admin Panel > Settings > SMS Settings.

Step 1: Set Default SMS Gateway as MSG91.    
Step 2: Paste the MSG91 AuthKey. (MSG91 > Configuration > Auth Key > FOODOMAA)    
Step 3: MSG91 Sender ID : CLOUDY (Approved Header Name)    
Step 4: MSG91 Sender Template ID : (Pingconnect > Header > Go to CLOUDY Template & Click Active Button. It will popup with Template ID. Copy the Template ID & Paste Here.)    
Step 5: Set Phone OTP Login for Login/Registration Type.    
Step 6: OTP Message: Your OTP Verification code for FOODOMAA Food Delivery is :

 Note : Your Step 6 must match the approved content exactly; even a single space or different letter will prevent an SMS from being sent. 

You can also refer to this documentation for reference :

https://msg91.com/help/step-by-step-guide-to-implement-dlt-in-sms