The lawmakers were said to have arrived the venue late and were prevented from entering the government house on the orders of the state governor.
The president's administration has severally claimed to defeat the violent group but attacks of the group recently says otherwise.
A change in parental attitudes and government approach is needed to curb the menace.
The election of the opposition lawmaker is been challenged by Smart Adeyemi of the ruling All Progressive Congress (APC).
Tambuwal defeated his opponent with 342 votes.
While the governor claims not to have paid salaries since this year, the workers are saying otherwise, insisting they have not been paid for over 30 months.
The PDP candidate defeated the incumbent governor who sought a second term in office.
By this, Jibrila Bindow, the state governor and APC candidate, seeking a second term in office has lost his re-election bid to Ahmadu Fintiri, candidate of the PDP in the election.
Taraba, traditionally is a PDP state since 1999.
Mr Kwankwaso, a former governor of the state, made the declaration on Sunday at the presidential rally of the PDP which held at the Sani Abacha stadium.