"His wife did not know about his involvement with terror blasts and his work as an Indian Mujahideen (IM) terrorist".
The encounter saw the arrest of two IM terrorists and two others were killed.
Times Now reported that Khan is wanted suspect for his alleged role in the 19 September, 2008, serial blasts in Delhi in which 30 people killed.
Calling Khan an expert bomb maker, Kushwaha said, "He was involved in several terror attacks including the 2008 Delhi serial blasts".
During the encounter, cops shot down two Indian Mujahideen terrorists but also lost one of its men, Insp. He was involved in many bombing incidents including 2008 Delhi serial blasts, 165 people died in incidents he was involved in.
The Delhi Police on Wednesday arrested a suspected Indian Mujahideen militant who has been absconding since the 2008 Batla House encounter in the city, PTI reported. He was associated with Atif Amin who was killed in Batla House encounter. He was wanted by NIA, Delhi, Gujrat, Rajasthan and UP police.
A team of Special Cell including inspectors Chandrika Prasad, Amul Tyagi, Ravinder Joshi and Satish Rana, moved to the area near Banbasa Indo-Nepal border and laid a trap. While majority helped them with financial aid, they refused to provide them shelter. So in order to teach a lesson to lawyers in Uttar Pradesh, blasts were planned at Varanasi, Faizabad and Lucknow courts.
A month later they separated and Khan crossed over to Nepal. During his stay in Nepal, he initially ran a restaurant and later on started teaching in different schools, the officer said. He returned to Nepal from Saudi Arabia in March 2017 and would occasionally travel to India.
Bhatkal motivated Khan to arrange money to revive the IM.
It was in November 2007 that the members of the IM had sent an email to the top TV news channels five minutes before the blasts, claiming responsibility for the blasts, police said.