Congress today criticised Pakistan for calling off National Security Advisor level talks saying that Islamabad clearly wanted to sabotage the talks. <br/><br/>Briefing media in New Delhi, party spokesperson Abhishek Manu Singhvi said Pakistan wants to avoid answering tough questions on terror. <br/><br/>He also said Centre has played into Pakistan's hands by being unprepared, and not doing enough ground work on the matter. Mr Singhvi said all gains made in last ten years have got a setback by the aborted talks.