trinetrudu (1988)

Chiranjeevi plays a CBI officer in Trinetrudu which was mostly shot in GOA. GOA's beach is being exploited by a big-wig in the society,named DD. He runs a big Aashram on GOA's beach, and under this aashram's mask, he runs his underworld.His underworld is the channel for drug-trafficking, which cashes upon the weakness of the youth.
To investigate about this aashram's dark secrets, indian govt. appoints a CBI officer(Naga babu), who prepares a complete report on its activities, but is killed by DD's men.
When CBI officer never returns, CBI gets suspicious and sends another offcier,who is none other than Chiru.