[1][2] He is suspected to be associated with the Students Islamic Movement of India (SIMI), and is thought to have been responsible for participating in the Bangalore, Ahmedabad and Delhi bombings.
He handled several major independent projects, including an intranet for Bharat Petro-Chemicals carried out by Wipro in 1999, and then joined Datamatics.
[9] In 2006, he is said to have severed contact with even his wife and three children, One son & two daughter named Hanzala, Zainab and Zaweria nicknamed "Juhi".
[10] Arrested SIMI leader Safdar Nagori, has told police that he knew Qureshi and they had attended a religious function in Delhi in 2000.
Qureshi moved to Nepal using route of Ranchi and Raxaul in 2008 and stayed there upto 2015 in a disguise of an English teacher of a private school.
Police sources told The Hindu that he participated in the October, 1999 SIMI conference where Sheikh Yasin, the head of the Hamas and the Pakistan Jamaat-e-Islami chief Qazi Hussain Ahmad, were among those who delivered speeches through a telephone network.
In SIMI's 1999 Aurangabad convention which Qureshi is believed to have helped organize, many of the speeches delivered by delegates are reported to have been inflammatory.
"Islam is our nation, not India", said Mohammad Amir Shakeel Ahmad, one of the SIMI-linked Lashkar operatives arrested in 2005 for smuggling in military-grade explosives and assault rifles for a supposed planned series of attacks in Gujarat.