To avoid unwanted telemarketing calls or SMS, You can register your Loop telecom's telephone number in loop Telecom's Do Not Disturb registry.
usually referred to as LOOP and formerly known as BPL Mobile, is a Indian mobile network operator. Bharti Airtel announced that it had agreed to acquire Loop Mobile for 700 crore (US$110 million).
Loop Mobile was the first operator in the country to offer services like MMS, GPRS and Caller Ring Tunes. Other VAS include Reply-All, Roaming on Prepaid, Intelligent network, General Packet Radio Service (GPRS), Multimedia Messaging Service(MMS), Missed Call Alert, Caller Ring Tune, Mobile Tracker, Doctor-on-Call, "1 paise per sec" prepaid plan, Karaoke Messaging among others.Activating Dnd By SMS
Send an SMS with the message Start 0 to 1909 OR Call 1909 and follow instructions Please click here For Full Instruction.
If You are registered under DND and if you are getting sms and promotional Call from Any one you can lodge a Compliant against them . To Register Compliant click here