An official announcement in this regard was made by the returning officer here on Thursday.
Deb's election to the Rajya Sabha was certain as the opposition did not field any candidate against the ruling BJD nominee.
The by-poll was necessitated following the resignation of Bishnu Charan Das on March 21 who was appointed deputy chairman of the Odisha State Planning Board. His term of office would have ended on July 1, 2022.
Deb, a former state minister, said he would raise the issues affecting the state in the upper house of Parliament.
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