DEAR SIR,
My MOBILE NO is 91 94314 21960. I am a prepaid BSNL customer. I have complaint to BSNL ""START DND" TO 1909" on many times but neither I got any acknowledgement from BSNL nor unwanted SMS are stopped. WHAT SHOULD I DO TO ACTIVATE DO NOT DISTURB MODE. PLEASE HELP ME.
Regards,
Dr. A R. Khan
Principal Scientist
ICAR Research Complex for Eastern Region
Patna - 800 014, Biha
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