Hingora, along with his associate Hanif Kadawala and underworld don Abu Salem, had delivered arms, including an AK-56 assault rifle, to Dutt's residence in Bandra.
In early 1991, Hingora had teamed up with Kadawala to form the audio company Magnum.
They also took to producing films and purchasing video rights of movies. Hingora also served as the treasurer of the Indian Motions Pictures Association (IMPA) and produced two films under the banner of Magnum Video, 'Dil Hi Toh Hai' and 'Sanam' in 1997 starring Dutt.