Given the challenge of policing in a large country like India, he said no "security system can be fool-proof."
According to Ajai Sahni, executive director, Institute for Conflict Management, huge gaps still exist in India's security system since the 26/11 attack.
"It is like a house with 200 broken windows. You may repair five or seven, but you need to repair all. The deficit (in security architecture) is so great," Sahni told IANS.