On Friday, National Security Advisor, M K Narayanan briefed leader of opposition L K Advani on the investigations into the Malegaon blast case. But is the BJP using the Malegaon case as a poll plank? Advani's recent defence of sadhvi Pragya Thakur gave the hint. Now there's evidence that the saffron parivar is ready to use the Malegaon blast probe as a poll plank.