[6][7] Home Minister Shivraj Patil told reporters that authorities had "some" information an attack was coming, "but place and time was not known".

[18] Western Railway services were restored on 11 July by 10.45 p.m.[19] As a show of investor confidence, the Bombay Stock Exchange rebounded, starting the day with the BSE Sensex Index up by nearly 1% in morning trade.

However a study commissioned by former MP Kirit Somaiya noted that only 174 of the 1,077 victims had received compensation through the Railway Claims Tribunal.

Regarding the Prime Minister's promise to India concerning the rehabilitation of the victims, L. K. Advani noted that "none of the above mentioned assurances has been fulfilled to any degree of satisfaction"[22] Due to the mobile phone networks being jammed, news channels ran tickertapes with information of injured individuals as well as SMS messages from those who wished to contact their families.

It also says that the blasts were part of a series of attacks aimed at other sites such as the Mumbai international airport, Gateway of India, the Taj Mahal in Agra and the Red Fort in New Delhi.

[25] However, on 17 July, the forensic science laboratory Mumbai has confirmed the use of a mixture of the highly explosive RDX and Ammonium Nitrate for the bombings.

They have indicated a strong possibility of all explosives being planted at the Churchgate railway station, which was the starting point for all affected trains.

[26] Initially, religious extremists from the Lashkar-e-Taiba and the banned Students Islamic Movement of India terrorist groups, and Pakistan's intelligence agency ISI were the prime suspects.

"[31] On 30 September 2006, CNN reported that "The Indian government accused Pakistan's military spy agency, the Inter-Services Intelligence, of planning 11 July Mumbai train bombings that killed 209 people".

To address these worries, the department deployed Brandon del Pozo, a Jordanian-based intelligence officer, to Mumbai to collect information on the attacks and report on ways they reflected similar vulnerabilities in the New York City's extensive commuter rail system.

On the same day, Abdul Karim Tunda was thought to be arrested in Mombasa, Kenya on suspicions of involvement in the train bombings.

In late 2006, all the seven key accused in the Mumbai train blasts in July retracted their alleged confession to the police, saying they were illegally forced to sign blank papers, an Indian TV channel reported.

[39] M K Narayanan, the Indian National Security Advisor, has said that India doesn't have "clinching" evidence of the involvement of ISI in the Mumbai train blasts of 11 July.

[40] On 27 February 2009, Sadiq Sheikh, an arrested leader of the Indian Mujahideen confessed to his alleged role in the bombings in a news channel broadcast.

[49] People gathered at the site of the blasts, in railway stations on the city's Western Line, traffic came to a halt, It interrupted films and observed a moment of silence to pay homage to the victims.