You can't give audience bullsh*t: Ajay Devgn says Bollywood needs '3 to 4 Drishyams' to revive it

'Drishyam 2', headlined by Ajay Devgn has brought some much-needed cheer to the beleaguered Bollywood box office with a strong opening worldwide weekend gross of Rs 89 crore, reports 'Variety'. "To talk about tonic, I feel it needs three or four Drishyams -- that is what is required, I hope this is the beginning," Devgn told 'Variety' in an exclusive interview.