Umaru participated and won the 28 March 2015 Niger East senatorial district senatorial election and was a member of the
Nigerian 8th National Assembly. On 7 February 2019, the Federal High Court, Abuja, removed David Umaru, as the Niger East Senatorial district candidate for the All Progressives Congress (APC) in the 23 February 2019 election, agreeing that
Sani Mohammed Musa was the declared winner of the primary election the APC conducted in the senatorial district on 2 October 2018. On 8 April 2019 the Court of Appeal in Abuja reversed the judgement of the Federal High Court in Abuja which sacked Senator David Umaru as the All Progressives Congress(APC) candidate for the Niger East senatorial district and he was declared the senator representing Niger East. On 14 June 2019, the Nigerian Supreme Court in Abuja declared
Sani Mohammed Musa the winner of the 23 February 2019 election for the Senate held in the Niger-East Senatorial District of Niger State, the court set aside the judgment of the Court of Appeal, Abuja, the valid candidate of the All Progressives Congress (APC), that won the election removing David Umaru . ==References==