Andhra government bans use of blue beacons for officials, allowed only for emergency vehicles | India News - The Indian Express
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12V Blue Alarm Signal, Blue LED Strobe Beacon Alarm Flashing Light without Sound Explosion-proof, Can be Used in the Field for Home Security Alarm System - Amazon.com
Not Just 'Laal Batti', Blue Beacons Of VIP Escort Vehicles Will Also Be Removed
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