SPG: 3,000 plus force provides proximate security to 4 VVIPs
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India, Familypedia
3,000 Plus Force Provides Proximate Security To 4 VVIPs, Says SPG
Avinash Mohananey: PM Security Breach: 'Real lapse happened at PMO
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NSG writes to SPG to enhance VVIP security skills - Rediff.com
SPG only secures PM, CRPF covers 56 VIPs: Govt
SPECIAL PROTECTION GROUP – Military world