Congress President Rahul Gandhi took a jibe at the Centre for failing to arrest the persistent decline in the domestic currency.The Indian rupee on Thursday slumped to a fresh low of 73.77 to a US dollar, as rising crude oil prices and a worsening rupee raised concerns about capital outflows."Breaking: Rupee slips to 73.77. It's not breaking -- it's Broken," Gandhi tweeted.At 12.50 p.m., the rupee had recouped some of its losses to trade at 73.61 against the greenback after opening at 73.67 at the Inter-Bank Foreign Exchange Market. It had settled at 73.34 on Wednesday.The Congress has been attacking the Narendra Modi government over the rise in domestic fuel prices and a tumbling rupee.