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Elaborate security arrangements ahead of Prime Minister Narendra Modi's Varanasi visit - The Economic Times
Security breach: Calls to review 'Blue Book' to deal with new threats - The Week
SPG officers & PM Narendra Modi Grand Entry in KGF Style Under IAF & SPG Security in Mi17 Helicopter
Special Protection Group - Wikipedia
Explainer: SC, SPG Act and PM Modi's security
How much powerful is Modi's security? - Quora
What Is In The Briefcase Of Indian PM Bodyguards? Here's All You Need To Know About
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PM Narendra Modis security breach: Who is responsible for his safety, how it is planned, India News
The men who protect the PM - India Today