All India Jihad committee ( AIJC )
According to Police intelligence, Islamic fundamentalist groups started working in TN in 1983. 1986 AIJC was formed by an Islamic fundamentalist preacher Ahmad Ali aka Palani Baba.
He was involved in various killings of Hindus in Coimbatore in TN. In 1990 Israeli intelligence arrested a Palestinian student who was studying in south India,
1990 saw the rise of palani Baba, with uncon support from DMK
In 1995 parcel bomb killed the wife of a prominent Hindu activist , pipe bombs hurled at Mani Ratnam residence.
In a swift move crime branch SIT named 166 ppl as terrorists.
11 were arrested in kerela, 3 from Andhra, 2 from Karnataka and 1 from Kolkatta.
From 1993 to 1998 there were 14 bomb blasts in TN leaving almost 150 dead
Reference : Breaking India.