New Delhi, Oct 25 (ANI): Senior BJP leader Yashwant Sinha on Friday took a jibe at Congress vice president Rahul Gandhi, who claimed that he had information that Muslim youth victims of the Muzaffarnagar riots were being contacted by Pakistani intelligence, and questioned the basis on which the Congress number two was privy to Intelligence Bureau information of the country. Sinha also called for an enquiry into the 'systematic' issue and punish those who are established guilty for wrongly briefing the Congress Party vice president.