While Tiwari replaces Satish Upadhyay, Rai replaces Mangal Pandey. Their tenures were long over and new appointments were awaited for the past few months.
Rai is a Yadav, a community over which RJD chief Lalu Prasad has a strong hold.
His appointment is seen as an effort by the BJP to go beyond the upper castes, its traditional voters, and reach out to the OBCs in the caste-conscious state where it lost to JDU-RJD combine in the last assembly polls.
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