State leaders in the National Party, the coalition's junior partner, called on the government this week to ditch the sale.
Throw in farmers and town-dwellers who have turned against the National Party, the coalition's junior partner, whose power-base lies in regional Australia, and the government has had to concentrate on survival at all costs.
The second challenge is distrust inside his own party and among national coalition partners.
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Baalu, said he believed the raid was politically motivated due to the DMK's decision Tuesday to pull out of the Congress party-led national coalition government due to disagreement over policy toward Sri Lanka.
The Chinese-based party in the governing National Front coalition says it must change tack and reconnect with the Chinese minority.
The government does not woo them as voters for UMNO, but to support the Chinese party in the ruling national coalition dominated by UMNO.
India hinted that it would suspend the state government during the election to reduce the risk of rigging, then backed away for fear of offending the chief minister, Farooq Abdullah, whose National Conference party is part of the coalition that governs in Delhi.
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The answer lies with Prithviraj Chavan, chief minister since late 2010 for the Congress party, which heads the national ruling coalition but runs few big states.
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Besides, having the JD(U)'s backing could help the Congress party-led coalition in the national election.
One of the coalition partners, the National Religious Party, said it might pull out of the government.
That wobbled along until 1998 when the coalition split, and the National Party carried on as a minority government.
"In the 1970s, he organized a political coalition with the Islamic National Salvation Party which brought him into power in 1974, " he said.
Mr Abdullah stepped down in 2009, handing power to Mr Najib who became prime minister and leader of the main coalition party, United Malays National Organisation (Umno).
Zahid Khan, a senator from the Awami National Party, which was part of the outgoing coalition government, said "double standards" were being applied to favor the former military ruler.
This victory secures only 43 seats for the HZDS - 18 fewer than before - while his erstwhile coalition partner, the Slovak National Party, has 14 - making 57 in all.
The National Religious Party, a key partner in the coalition, called on the prime minister to rescind his opposition to an American developer's plans for a Jewish housing estate at Ras al-Amud in East Jerusalem.
Mr Netanyahu's most hardline coalition partner, the National Religious Party, has been quick to weigh in, warning the prime minister that if there is any halt or suspension of any building, it will walk out of his government.
Despite a resounding endorsement for his party in the national election last May, his coalition fared less well in more recent by-elections.
However hard Mr Sharon strikes at Hamas, two of the four parties in his right-wing coalition government the National Religious Party and the far-right National Union are very likely to abandon him if the Gaza pull-out goes ahead.
The Congress party, which rules Maharashtra and heads the national coalition government, is loth to upset him.
The development is another setback to the Congress party, which has led India's national coalition government since 2004.
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NWFP's Awami National Party, have pulled out of Mr Sharif's coalition.
This sense of rejection strengthened the wave of nationalism that swept the extreme-right National Action Party, led by Devlet Bahceli, into a new coalition government after the general election in April.
The Congress party, which heads the ruling coalition at the national level, is looking to rebuild its reputation after struggling in its second term against allegations of corruption, and criticism that its grindingly slow policy mechanism has stunted economic growth.
Combined with those of two of Miss Megawati's potential coalition partners Abdurrahman Wahid's National Awakening Party and Amien Rais's National Mandate Party the main opposition forces appeared to be capturing around 60% of the vote in the early going.
Yet his 13-party United Front coalition could not agree on a host of national issues.
Throughout his first three terms, his coalition, made up of the Liberals and the smaller National Party, was hampered by its lack of a majority in the Senate, the upper house of Parliament.
It appears that Mr Sharif's party may avoid the need to form a coalition with other parties in the National Assembly.
Elections in Finland over the weekend saw a sharp jump in support for the anti-European True Finns party who landed 19% of the vote compared to the pro-European National Coalition who took 20.4%.
Also, with the split in the NKP, no single party will have a working majority in the 299-seat National Assembly, and the coalition may find itself making deals in order to legislate bills.
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