The investigations in Pune bomb blast case has came to a vital stage. The anti-terrorism squad is working on different leads and the mastermind behind this gruesome act will be revealed very soon. The forensic report is expected by this evening. .<br/>It will reveal what kind of explosive used and how it triggered. It will be also clear who has masterminded it. The Pune police commissioner will brief the media about the progress of investigation later in the day. So far no arrests have been made<br/><br/>Meanwhile, the life in Pune has returned to normal. Most of the shops in Koregaon park area are seen open.<br/><br/>Meanwhile, the Army Chief General Deepak Kapoor today said the Army is willing to assist in Pune blast probe if asked. Replying to questions from media, on the sidelines of a function in New Delhi, General Kapoor said the country's defence preparedness is an ongoing process.