The Indian rupee gained 74 paise to Rs 52.90 per US dollar in opening trade today after the Reserve Bank of India imposed restrictions on forward trading to check the slide of the domestic currency, which had tumbled to a record low of Rs 54.30 per dollar yesterday.Dealers said the sharp recovery of the rupee was due to restrictions imposed by the RBI on forward trading in the local currency by FIIs and traders, besides the cap fixed on banks' exposure to the forex market.The rupee had gained 7 paise to close at Rs 53.65 per dollar yesterday after witnessing a record low of Rs 54.30 during the volatile session.