Rajnath Singh warns of new-age warfare, cyber and drone threats - The HinduSign in to unlock member-only benefits!Access 10 free stories every monthSave stories to read laterAccess to comment on every storySign-up/manage your newsletter subscriptions with a single clickGet notified by email for early access to discounts & offers on our products${ ind + 1 } ${ device }Last active - ${ la }