Suhani, settled in Thodapuzha in Kerala for over 20 years, had developed contacts with some persons with links with IS there.
He fled Thodapuzha after the NIA arrested some of his IS associates there and came to Tirunelveli, police said.
Six persons, who were arrested earlier for their links with the international terror outfit in Thodupuzha had confessed to police that Suhani was their associate and he had fled to Tamil Nadu after the NIA nabbed them.
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