It was touted as the first deal of its kind in the Indian BPO industry but just three months after Citibank sold its BPO arm to Genpact for $630 million, the bank may eventually back away from the deal. NDTV has learnt that Citibank is rethinking its decision to sell its BPO operations. The primary concern revolves around the impact on core banking operations such as customer service which are handled by the BPO arm.