Simplify the following text for a Grade 6 native English-speaking person.
Original: In 1982 the tehsil of Bhakkar was split from Mianwali and became the current district of Bhakkar , this district has been subdivided into four tehsils one of which is the current tehsil of Bhakkar .
Simplified: The town of Bhakkar is the headquarters of the tehsil . The tehsil of Bhakkar is subdivided into 17 Union Councils .