Pakistan received three bids in a televised auction for state carrier Pakistan International Airlines on Tuesday as the government attempts to push through a long-delayed reform demanded by the International Monetary Fund.The auction is Pakistan's second televised attempt at selling the once storied flag carrier after a bungled process last year drew only a solitary bid that fell far below the government's reference price, derailing what would have been Pakistan's first major privatisation in nearly two decades.Representatives of the bidding groups walked in one by one on Tuesday to deposit sealed offers into a transparent box during the live broadcast, briefly fumbling as they pushed envelopes through the slot in a public ceremony broadcast on state television.Bids for a major