PVR Cinemas — Surcharge in movie ticket

Address:

Pvr cinemas,Diamond plaza mall,Kolkata

Last night went for a movie at Pvr cinemas, diamond plaza, kolkata for 10.15 show.Seen the price at pvr website 220 per ticket, as i got late for booking so went to the box office for the ticket the guy there said for the same ticket for rs 320, when i asked for the surcharge he said you have to take a compulsory food [protected]@150 which is already included in the [protected]@320.Can i know the reason if i do not wish to take the food coupon am i supposed to pay the surcharged amount.