the bomb blast outside Delhi High Court premises that killed 13 people on the 7th of this month.

In the first arrests in the email episode, Official sources said two persons have been booked after they were arrested by the National Investigation Agency(NIA) and J and K police. The two were accused of sending the terror email about an hour after the briefcase blast outside the High Court last Wednesday that killed 13 persons.

Home Secretary R K Singh today said there are enough clues in the Delhi High Court blast case and investigations are on. On the sidelines of a function in New Delhi, Mr. Singh said at this stage things can not be disclosed as it may hamper the investigations. He said that some arrests have been made and interogation are being done.

Official sources said the two arrested have been questioned and their role in the blast conspiracy is being probed vigorously. Records of the computer used in a cyber cafe in Kishtwar is being analysed to ascertain if the two had any links with the perpetrators of the crime.

The NIA had raised the reward money from Rs five lakh to Rs 10 lakh for anybody giving information about the perpetrators of the blast.