The  government has sought cooperation from international investigating agencies to crack the codes.
Talking to media persons here on Friday, the Home Minister Mr. P. Chidambaram said that round the clock investigation was going on and anti-terrorism squad of Delhi Police and other agencies were helping the NIA in carrying out the investigations.

Mr. Chidambaram said that home grown terror modules were also active and it was a wake up call for the country.  He added that an alert has been sounded across the country in view of ensuing festival season and the security surveillance is being reviewed. Regarding third mail from a terror outfit for a possible target could be Ahmedabad he said, the state police have been alerted. He said, that the government is seeking cooperation from international investigating agencies to crack the codes.

The Home Minister said that it was difficult to say if there is any involvement from across the border. He however said that India has troubled neighbourhood infested by terrorists.

Mr. Chidambaram requested opposition leaders to show greater by-partisanship, maturity and statesmanship in the hour of crisis. Seeking support of the people Mr. Chidambaram said, it was duty of the every citizen to be alert and report to the police about any suspected activities

He admitted that there was a delay in installing CCTVs at High Court complex by the Delhi PWD. He added that the timely decision could have avoided such an incident.

When asked about the opposition allegations that not a single blast case have been cracked by the investigating agency he said, it was also the duty of the concerned state governments to get a breakthrough..

Mr. Chidambaram said his ministry is thinking over providing government jobs to the next of the kin of those killed in the blast and the compensation to them will be provided immediately after the final list is compiled.

The Jammu and Kashmir police have prepared a sketch of the suspected e-mail sender from Kishtwar district and launched operations to track him down. As per the description provided by the detained persons including the cyber cafe owner, the sender is a 17-18 year old boy. The sketch is likely to be released by the National Investigation Agency (NIA), which has been tasked with probing the Delhi High Court blast. Investigators had traced the HuJI email claiming responsibility for the blast outside the Delhi High Court to a cyber cafe in Kishtwar. Five persons have been detained in this connection. Indian Mujahideen, another terrorist out fit has dismissed the HuJI claim saying they were responsible for the blast.

The Home Ministry is verifying claims of both the terrorist outfits claiming responsibility for Delhi High Court blast.  2 people detained in connection with their resemblance with the sketches of suspects of the blast have been released after questioning.

Meanwhile preliminary findings of forensic examination conducted by different teams of forensic experts indicate the presence of Nitrate based explosives and traces of some other explosives as well. These findings are being reconciled to get a clear picture of the exact nature of the explosive used in the High Court blast.

Two new E.mails, which were received respectively on 7th and 9th September, 2011 are being analyzed by the investigation agencies and follow up action is being ensured.