In Varanasi one more team of Forensic Experts from Delhi has arrived to study the nature of bomb used by the terrorists in the blast which killed one girl child and injured 38 persons on Tuesday. Blast site Sheetla Ghat remained virtually sealed as various experts and investigating agencies were visiting the site frequently. Addl. Director General Police, Law and Order of the State Brij Lal has claimed that so far policed failed to recover any circuit of its part which indicate the method to which the bomb was detonated. He said about the nature of explosives used in the blast a team of Forensic Laboratory Agra is already on job and probably by this evening they would get a report in this regard. AIR Lucknow correspondent reports Intelligence Bureau's Forensic Expert has also gathered samples from the site. The National Investigating Agency and Special Task Force of the state were camping in Varanasi to get the clue. The investigating agencies are taking the help of divers to look for detonator of improvised explosive device inside the Ganga as this might have fallen in the river after blast. The Addl Director General Police, Intelligence has also visited the blast site and took stock of the findings of the primary inquiry held by different intelligence agencies. According to information Intelligence agencies were also examining about telephone calls which took place just before and after the blast and also study the movement of some suspects supposedly close to terrorist’s organisations.