The first part starred, I think, Sunil Dutt, Sanjeev Kumar and Shatrughan Sinha. Both were made by the same director, and the second one was to relaunch his son Armaan (who played the avenging ghost). I think both movies were equally bad, except the first one had the added agony of a star cast who could act their way out of a paper bag but chose not to.
As for the delightful Helen ,I recently picked up a one of her B movies on VCD called HAWA MAHAL, in which she and Minoo Mumtaz play undersea women (sort of like mermaids but with no tail and lots more clothing) who steal the souls of sailors. I love when Helen is given lead roles!
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