Mumbai- FDA has given thumbs down to Best canteen . FDA vigilance department inspected 65 best canteens and discovered shocking information.Only 20 canteens out of 65 have valid permit . 13 are registered and 10 are unregistered . Most importantly the standards of hygiene are very poor . Notices have been issued to unregistered canteens and canteens without permit. Also, best is been fined Rs 22,500 for the poor standards of the canteens.Last but not least shutters are pulled down on 6 canteens.