all the home ministry(central) of the secular Cong/UPA govt has told its the work of Muslim terrorist organisations...like simi/indian mujaheedeen. the most secular news channel NDTV india carried a wonderful coverstory on this which says all this was work of local muslim terror modules recruited /trained/and financially and technically assisted by pak/ISI..security expers like ex IB, RAW cheifs, army generals including two muslim one were interviwed at length and all explained in detail how these were formed and now how they operate