"The Finance Ministry has asked different central government departments to come up with their final demands and submit their estimates. The Budget preparation would start after two weeks," sources said.
The new government, which will be required to boost investments and promote growth, will be presenting a regular Budget after completion of the electoral process.
The nine-phase election for the 16th Lok Sabha will be completed on May 12 and the counting of votes will take place on May 16.
The new government is likely to be formed before May-end.
The immediate task before the new government to formulate the Budget proposals for 2014-15.
Finance Minister P Chidambaram had presented interim Budget on February 17 and obtained Parliament's approval through Vote on Account to meet essential government expenditure for four months of the current fiscal (April-July).