Congress' heir apparent, Rahul Gandhi, is not likely to join the Manmohan Singh-led government. He will instead to focus on overseeing his party's preparations for the next Lok Sabha polls, senior Congress party leaders told ET. The Nehru-Gandhi scion is reluctant to take up a ministerial position, despite his recent statement that he would play a more proactive role in the party and the government, the senior Congress leaders said on the condition of anonymity.