Section 151(4) in The Bihar Panchayat Raj Act, 2006
(4)The Pramukh of Panchayat Samiti or Adhayaksha of Zila Parishad shall be elected in the manner provided in this Act. The Mukhiya of such Gram Panchayat shall be elected from amongst the members of Gram Panchayat nominated by the Government under provision of sub-section (3)