KARACHI  : Dollar plunged to its lowest level against rupee in one year in inter bank on Wednesday as it traded at the lowest price of Rs98.20 on Wednesday. According to the data provided by the Forex Association of Pakistan, the dollar traded at minimum price of Rs 98.20 and maximum price of Rs 98.30 in inter bank. While, marginal growth was witnessed in the price of dollar in cash free marker where it traded at lowest rate of Rs 99.90 and highest price of Rs 100.10.