"Yes, we have chargesheeted Biswas for waging a war against the State and supporting a terrorist organisation among other provisions under the law," Joint Police Commissioner M Chandrashekhar told PTI here.
Chandrashekhar said seven sections of Indian Penal Code have been invoked against Biswas, including 121 (Waging or attempting to wage war, or abetting waging of war, against Government of India) and 124-A (Sedition).
Apart from chargesheeting Biswas under IPC sections, police have booked him under Unlawful Activities (Prevention) and Information and Technology Act, he said.
"We have also chargesheeted Biswas under section 39 of the Unlawful Activities (Prevention) Amendment Act, 2004. The law states the offence relating to support given to a terrorist organisation," he said.
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The 44-page chargesheet with 36,986 pages of detailed investigation report was submitted to the city special court, the joint commissioner said.
The police have recovered 1,22,000 Twitter messages with over 18,000 followers, he said.
Biswas (24) was arrested from his apartment in Jalahalli in December last.
Police had launched a manhunt for Biswas after Britain's Channel 4 News had aired the report on the presence of ISIS Twitter Ideologue @ShamiWitness here and arrested him from a rented apartment in the city.