The rise in vegetable prices means fewer free onions for diners in Hyderabad. Read about the price changes in eateries. HYDERABAD: Restaurants in Hyderabad are preparing to increase menu prices by 12-15% as rising vegetable, pulses and cooking oil costs push up operating expenses. Several eateries have already raised dish prices, while some have stopped serving complimentary onions and salads, as reported by TNIE. Individual dishes have become costlier by ₹10-15.