Airtel keyword to 121 short codes

Unbilled Amount	SMS UNB to 121
Outstanding Amount	SMS OT to 121
Last 3 payment details	SMS PAY to 121
Bill Summary	SMS BILL to 121
Start a Service	SMS START to 121
Stop a Service	SMS STOP to 121
Service Request Status	SMS SR to 121
Current Bill Plan	SMS BP to 121
New Bill Plans	SMS NBP to 121
Duplicate bill of any of the last three months	SMS ' Dup Bill' to 121
One time e mail bill	SMS EBILL to 121
E mail bill subscription	SMS STOP PAPER
Do Not Disturb – Start
Fully blocked	SMS “Start 0” to 1909
Preference-based (allow SMS for selected preference category)	SMS “Start ” to 1909
	Preference Category : 1 for Banking/Insurance/Financial products/credit cards, 2 for Real estate, 3 for Education, 4 for Health, 5 for Consumer goods and Automobiles, 6 for airtel Communication/Broadcasting/Entertainment/IT, 7 for Tourism and Leisure
Do Not Disturb – Stop
Fully Unblocked	SMS “Stop 0” to 1909
Preference based (block SMS for already selected preference category)	SMS “Stop ” to 1909
	Preference Category : 1 for Banking/Insurance/Financial products/credit cards, 2 for Real estate, 3 for Education, 4 for Health, 5 for Consumer goods and Automobiles, 6 for airtel Communication/Broadcasting/Entertainment/IT, 7 for Tourism and Leisure