India, Dec. 31 -- As a sensitive border state with a not-too-distant past of violent extremism, Punjab faces a raft of internal security challenges stemming from Pakistan and foreign-based elements. As the head of Punjab police for nearly three and a half years, Gaurav Yadav, a battle-hardened 1992-batch IPS officer, has been at the forefront of neutralising the ceaseless threats to the state's fragile peace while helming the complex law and order dynamics. In a year-end interaction on Tuesday with Hindustan Times, moderated by Executive Editor Ramesh Vinayak, Yadav addressed wide-ranging questions, including a rapidly-morphing terror-gangster nexus, fight against drugs, political interference in policing, and modernisation of the force. ...