A team of the Delhi Police's Special Cell arrested Ariz Khan (32) fron Banwasa on Indo-Nepal border yesterday evening, said PS Kushwah, DCP(Special Cell).
"Khan was involved in reviving the IM and SIMI in the country after the arrest of its big leaders. He was absconding since a decade and a reward of Rs 15 lakh had been announced for his arrest," Kushwah said.
He was a member of Azamgarh (Sanjarmur) module of the IM and was based in Nepal where he was teaching at a school. His associate, Tauqueer, was arrested earlier by the Delhi Police in January this year.
He was also wanted in the Batla House encounter in the same year in which Delhi Police Inspector Mohan Chand Sharma was killed.
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"Khan was present along with other terrorists in Batla House and had managed to escape along with an accomplice during the encounter," the officer said.
He was an expert bomb-maker and a core member of Azamgarh module of the IM, He was involved in "conspiring and planning" Delhi, Jaipur and Ahmedabad bomb blasts in 2008 carried out by the IM, he said.
Khan was radicalised and introduced to terrorism when he was studying in a school in his hometown Azamgarh, said the officer.
In November 2007, three Jaish-e-Mohammad terrorists were thrashed at the Lucknow sessions courts. So in order to teach a lesson to lawyers in Uttar Pradesh, blasts were planned at Varanasi, Faizabad and Lucknow courts.
On November 23, 2007, Khan along with his IM associates planted improvised explosive devices at the courts. They also sent an e-mail to news channels five minutes before the blasts to claim responsibility for them, he said.
Also, Khan along with Bada Sajid bought materials for the explosion from various markets of Delhi. The group conducted recce of targets and on September 13, 2008 along with Atif Ameen Khan planted IEDs at M-Block Market, Greater Kailash.
Thirty people were killed and 100 were injured in the serial blasts at Karol Bagh, Connaught Place, GK, the officer said.
A month later they separated and Khan crossed over to Nepal. He later managed to get citizenship and a passport of the country in the name of Salim Khan, through fake papers.
Along with Tauqueer, he started teaching at a school there. He had studied B Tech at an institute in Muzaffarnagar but had failed in the second year, said the officer.
He remained in Nepal till 2014 and during this period he came in touch with Riyaz Bhatkal who motivated him to come to Dammam, Saudi Arabia for arranging money to revive the IM in India, he said.
After returning from Saudi Arabia, he started visiting India clandestinely to revive the IM. Through his established contacts, he procured logistics for his visits to India. He was scheduled to meet a contact in UP when he was caught, added the officer.