The Evil Within (1970 film)
The Evil Within (also known as ′Passport to Danger′) is a 1970 Indo-Filipino drama film directed by Lamberto V. Avellana and starring Dev Anand and Zeenat Aman. Plot 

A layered narrative. Lots of shades of gray. A palace intrigue meets the corporate mechanism of a criminal enterprise to gain more profit. The police have their own orders and the organized crime division their own. All make deals to further their own cause. 