Between November 2007 and September 13, 2008, the group calling itself the Indian Mujahideen (IM) had sent five e-mail messages to sections of the media.
The first message was sent a few minutes before the serial blasts in three towns of Uttar Pradesh on November 23, 2007. The second was sent after the blasts in Jaipur in May, 2008. The third was sent before the blasts in Ahmedabad on July 26, 2008. The fourth was sent after the press conference held by the Gujarat Police in August, 2008, in which they claimed to have solved the case relating to the Ahmedabad and Jaipur blasts, identified the perpetrators and arrested many of them. According to the Gujarat police version, it was the Students' Islamic Movement of India (SIMI), which was operating as the IM. The firfth message was sent before the blasts in New Delhi on September 13, 2008.
The first, second, third and fifth messages claimed responsibility for the blasts and the fourth debunked the claims of the Gujarat Police of having solved the case and tried to convey the impression that the arrested persons had nothing to do with the blasts. Surprisingly, the IM did not send any e-mail message claiming responsibility for the serial blasts in Bangalore on July 25, 2008.
Intriguingly, the IM described its e-mail message on the New Delhi blasts of September, 2008, as "our third consecutive e-mail ". It said: