Career
Dahiru obtained a Bachelor of Science in law from Ahmadu Bello University in Zaria and became a barrister at law. He became a company director, and in 1983 was appointed a Commissioner in Sokoto State. After resuming his Senate seat in 2007, Dahiru was appointed to committees on Rules & Business, Judiciary, Human Rights & Legal Matters, Independent National Electoral Commission, Health and Aviation.
In February 2008, he became the Chairman of the Northern Senators Forum.
He replaced retired General John Shagaya. In a mid-term evaluation of Senators in May 2009, ThisDay noted that he had sponsored a bill to amend the National Human Rights Commission Acting, had sponsored or co-sponsored five motions and contributed fairly incisively during debates in plenary.
In the 9 April 2011 national election, Dahiru retained his seat as Senator for Sokoto South.