Lashkar - e - Tayyiba blamed for attack on Mumbai , Delhi , hotels in November 2008 . Organization has ` ` complex mix of indigenous and international targets , '' State Department says . They are believed to have worked with the Haqqani Network to carry out attacks on Indian targets in Kabul , including several this year . Lashkar - e - Kashmir says it is focused only on freeing Kashmir from Indian rule , experts say . Taliban - e - Tayyiba joined Taliban in attack on U.S. bases in Afghanistan , experts say .
Lashkar - e - Tayyiba blamed for attack on Mumbai , Delhi , hotels in November 2008 . Organization has ` ` complex mix of indigenous and international targets , '' State Department says . Lashkar - e - Kashmir says it is focused only on freeing Kashmir from Indian rule , experts say . Taliban - e - Tayyiba joined Taliban in attack on U.S. bases in Afghanistan , experts say .