ISLAMABAD (APP) Prices of vegetables maintained an upward trend in the twin-city of Islamabad and Rawalpindi markets over the last couple of days. The rate list of different vegetables weekly bazaar and fruit Mandi issued by the Capital Development Authority (CDA) Directorate of Municipal Administration on Friday showed that several vegetables prices are on rise as their rates had gone up considerably as compared to the last months rates. Steep rise in prices of substantial number of vegetables during the last week in wholesale and retail markets of twin cities, has negative impact on the buying power of an overwhelming number of consumers pushing them beyond their buying capacity. The consumers have demanded of the district administration to take effective steps to overcome the price hike of fruit and vegetables in the markets. They also complained of their poor quality. It may be mentioned here that fruit and vegetable vendors at different places in twin cities are selling fruits without displaying rate lists at their stalls for overcharging public. The consumers complain that the vendors are violating rate lists issued by the concerned authorities. An official of the concerned department told APP that the authorities check the prices on regular basis. and they are also taking strict action in case of any malpractice.