While the "big-four" at the Centre (Home, Finance, Defence and External Affairs) are unlikely to be disturbed, there could be some inductions and changes in some of the portfolios of ministers.
There are some ministers who hold more than one portfolio and they could be relieved of the additional charge, sources said.
Ministers like Veerappa Moily and Vayalar Ravi hold dual charges like Corporate Affairs and Power, and Overseas Affairs and Science and Technology respectively.
Moily got Power after the elevation of Sushilkumar Shinde to Home and Ravi got Science and Technology after the demise of Vilasrao Deshmukh.
HRD Minister Kapil Sibal has been holding Telecommunication ever since A Raja of DMK was forced to quit in the wake of spectrum allocation controversy in November, 2010.
There is talk of some ministers being sent to the party for preparations ahead of the 2014 Lok Sabha elections.
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