Justice Shrivastava was administered the oath by Chhattisgarh Governor Shekhar Dutt at the Raj Bhawan's Darbar Hall this evening.
Justice Shrivastava will succeed former Lokayukta Justice L C Bhadu to become the state's third Lokayukta.
Interacting with reporters, Justice Shrivastava said priority would given to early disposal of around 300 complaints pending before the Lokayukta.