New Delhi, March 4 -- Defence Minister Rajnath Singh on Tuesday inaugurated the DRDO-MHA Collaboration Conference-cum-Exhibition in the national capital.

Speaking at the Seminar on Advanced Technologies for Internal Security, he emphasized the evolving nature of security threats and the need for adaptive policies.

"As I just mentioned, internal security and external security are two sides of the same coin. In view of this, it becomes important that we understand the evolving nature of both and shape our security policies accordingly. When I am talking about the evolving nature of security, I mean that we are facing new challenges in this new era. We have to understand the nature of those challenges that are emerging before us," Rajnath ...