India Inc: Why Special Protection Group is a big talent pool for India Inc - The Economic Times
Special Protection Group (SPG), Prime Ministers Protection
India: How much money is spent in protection detail of z category security on an annual basis? - Quora
Final Defence Directory - Flip eBook Pages 151-200
How can the President's bodyguards and Special Protection Group (SPG) in safari suits offer protection when they are not seen with any modern weapons in their hands? - Quora
What makes the SPG India's finest protection force - Rediff.com
Claude Arpi's Blog: The Phantoms of Chittagong
India's Higher Defence Organisation: Recent Reforms and the Way Ahead
What is so special about the security of the special protection group guarding the Indian prime minister? - Quora
How to join Special Protection Group (SPG)? – Afa Aspirants
SPECIAL PROTECTION GROUP – Military world
Sniper Rifles- Does the Indian Army use them at all? - Page 3 - Indians For Guns
India, Familypedia
What makes the SPG India's finest protection force - Rediff.com
From SPG to 'Blue Book' rules: Here's everything you need to know about how the prime minister is protected from threats