Penned by Rajkumar Hirani’s wife Manjeet Hirani ‘How to be Human’ was launched by Aamir Khan yesterday in Mumbai. FYI, superstar Aamir Khan has worked with director Rajkumar Hirani in ‘3 Idiots’ and then ‘PK’, both of which went on to become super hit films. Watch the video to know why the actor launched this particular book. (Also See:Watch: Vidya Balan, Rajkummar Rao and Raveena Tandon win trophy at Bollywood Film Journalist Awards 2018)

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