The Muslim radicals had attacked the professor as a punishment for the alleged reference to Prophet Mohammed in a question paper that he prepared for an internal exam in 2010.
The NIA officials stated that Tamil Nadu tops the list of Indian states where anti-terror agencies have unearthed modules of Salafi jihadi terrorist organization IS over a period of five years since 2014.
NSA Ajit Doval, while speaking at a conference of anti-terror teams on Monday revealed India's current strategy to counter Pakistan sponsored terrorism in Jammu and Kashmir
Most of these love jihad cases have a deep-rooted connection with the ISIS and function via a network of ISIS sympathisers who lure and sell women as ISIS sex-slaves.
As per NIA, the three accused had conspired and conducted preparations to wage war against the government of India by forming the terrorist outfit Ansarulla.