"Manjhi had no alternative but to resign as he did not have required the numbers to take floor test," he told reporters here.
Charging Manjhi with creating political instability in Bihar over the past two weeks, he rued that Manjhi had announced a number of sops which the next government would find it difficult to implement.
Anwar, however, exuded confidence that Nitish Kumar would usher in good governance in Bihar over the next six months.
On the challenges before the next government in alliance with RJD, Congress, CPI and independents, Anwar said that Kumar would resolve these issues as a he was a seasoned leader.