Zomato — zomato charge cancellation amount

Address:

Jaipur, Rajasthan, 302019

I was ordering food from zomato from kings kitchen resturant but I wanted to cancle the order I called the resturant to cancle the same and they said that once they have accpeted the oder they can not cancle it as it leads to wastage of food .I HAVE TO SPECIFY HERE THAT I cancelled the food before 5 mins HOW CAN THEY PREPARE FOOD with 5 mins . So i messaged to zomato to cancle and they said they will charge Money in the next order, otherwise they will not cancle it . I.had no other option only to cancle so I said ok cancle . Now when I am ordering again they are charging 189 RS extra as cancellation charge.
Why should I pay the amount if I did not even receive the food because I cancelled it . They should have a provision to cancle the order within 5 mins at least . My concern is that I will not pay the cancellation amount, I know I agreed because at that time they were not cancelling my.order but this is not fair they are cheating the consumer.