Counting of votes is underway in assembly byelection to 58 seats in 11 states including Madhya Pradesh where the results will decide the fate of the Shivraj Singh Chouhan government.
Portfolios of more than half-a-dozen ministers are expected to be changed.
Full list of the rejigged Union Council of Ministers
Apart from Smriti, Ravi Shankar Prasad and Ananth Kumar took over as law and parliamentary affairs ministers respectively.
The theme of the reshuffle is to fulfill Modi's earlier promise of 'maximum governance, minimum government.' Some key ministries are likely to be merged.
The call to make brand ambassadors accountable has rattled filmstars and sports stars.