Mumbai, Sept. 23 -- The Indian rupee depreciated 47 paise to hit an all-time low of 88.75 (provisional) against the US dollar on Tuesday, amid sustained outflow of foreign funds on the back of a steep hike in US H-1B visa fee that is expected to give a big blow to Indian IT services exports. The INR tumbled towards record low levels as market participants analysed the likely repercussions of the new USD 100,000 H-1B visa levy, which could precipitate a slowdown in remittance growth and curtail service exports to the US. Moreover, risk aversion in domestic markets may also pressurise the rupee. Indian shares cut early losses to end on a flat note on Tuesday. The benchmark BSE Sensex fluctuated before ending the session down 57.87 points, o...