an excellent thriller of all time. vijay anand excels as director and editor. performances by dev anand and vyjayantimala and tanuja and ashok kumar prove to be an asset to the film which has its screenplay worked out to the minutest detail. cinematography adds to the mystery and glamour and other requirements of the story as it evolves. and to top it all and music by sachin dev burman is unforgettable. yeh dil na hota bechara by kishore kumar and raat akeli hai by asha bhosle and rula ke gaya sapna mera by lata and aasman ke niche by lata and rafi and hothon pe aisi baat main by lata and again reaffirm burman dada unique stature as a top notch composer with a style of his own. 
an excellent thriller of all time. vijay anand excels as director and editor. performances by dev anand and vyjayantimala and tanuja and ashok kumar prove to be an asset to the film which has its screenplay worked out to the minutest detail. cinematography adds to the mystery and glamour and other requirements of the story as it evolves. and to top it all and music by sachin dev burman is unforgettable. yeh dil na hota bechara by kishore kumar and raat akeli hai by asha bhosle and rula ke gaya sapna mera by lata and aasman ke niche by lata and rafi and hothon pe aisi baat main by lata and again reaffirm burman dada unique stature as a top notch composer with a style of his own. ---------------------------------Answer Question Below----------------------------------

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