The rupee hit new record low level against the US dollar by reaching at Rs73.10 in the inter-bank market on Tuesday.The rupee traded under pressure against US dollar from the start of trading today. According to money market experts, heavy demand persistently came in the inter bank, hence, making the supply short to meet the requirements. Dealers say, series of blasts, which hit Karachi on Tuesday has not been the reason behind the fall of rupee value however it had some negative impacts on market.