Prime Minister Dr Manmohan Singh [Images] on Wednesday rejected the opposition demand for the dismissal of Union Railway Minister Lalu Prasad Yadav in the wake of the Rashtriya Janata Party chief being charge-sheeted in the fodder scam.

"These are hypothetical questions. We will cross the bridge when we reach there. Today there is no change in the situation," Singh told journalists.

The National Democratic Alliance had accused Singh of practising 'political opportunism' by retaining Yadav to ensure the United Progressive Alliance government's stability.

Responding to the accusation, Singh said, "Well, I have been accused of many things and I cannot comment on them."

On the NDA's decision to boycott Parliament for three days, Singh said all he could do was appeal to the good sense of the opposition.

"This afternoon, I told L K Advani and Jaswant Singh that it does not augur well for the future of our polity for the second year in a row that the financial business of the government is transacted without the presence of the principal opposition party," he said.

"I requested them to reconsider their decision. I said everything could be discussed on the floor of the House," he said.

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