National Investigation Agency filed the charge sheet in a court here in a case of alleged espionage and attempts to carry out sabotage activities in India at the instigation of Pakistan.
The arrest of Arun Selvarajan is another reminder of how the ISI is trying to push its south India agenda.
With the arrest of another Sri Lankan national for alleged spying for Pakistan's Inter-Services Intelligence, central security agencies have stepped up surveillance of vital installations including defence and foreign consulates in southern parts of the country.
Even without the ISI, ISIS and Al Qaeda, Tamil Nadu, otherwise acknowledged as a progressive and developed State in the Indian context, has been at the centre of 'multiple militancy' for decades now, points out N Sathiya Moorthy.
US hands over evidence linking Pak national in consulate terror conspiracy
Pakistan's external spy agency is trying to push its South Indian agenda