Senior Congress leader P Chidambaram said that the party has never said officially that its president Rahul Gandhi should be the prime minister if an opposition alliance formed the next government. <br />''<br />''<br />''Talking to a TV Channel, Mr. Chidambaram said, the Congress' focus was on dislodging the BJP government and bringing in a progressive alternative. <br />''<br />''<br />''<span style="color: #222222;">He said, that decision on who will be the prime minister in the event of an opposition alliance winning next year's Lok Sabha poll will be taken by its constituents.</span><br />