Madhu Biryani, a popular eatery in Ameerpet, Hyderabad, has rolled out an unlimited biryani offer at just Rs 99. The promotion aims to celebrate the love and loyalty of its patrons, offering them an opportunity to savor the delicacy at a lesser price. However, customers will be fined double if any food is wasted. The eatery opens from 10.30am onward.