Punjab Superintendent of Police Salwinder Singh on Monday reached the National Investigation Agency (NIA) Headquarters, where he will be interrogated in connection with the Pathankot airbase terror attack case.<br /><br />Singh had been summoned by the NIA on Friday to appear before it for detailed interrogation.<br /><br />Singh was allegedly abducted while riding a personal vehicle which was hijacked and later used by the terrorists on the night of 31st of last month.<br /><br /><br /><br />For More information on this news visit: http://www.newsx.com/<br />Connect with us on Social platform at: http://www.facebook.com/newsxonline<br />Subscribe to our YouTube Channel: http://www.youtube.com/newsxlive