Madni was elected to the assembly from Devsar constituency in 2008 and served as the deputy speaker of the Jammu and Kashmir Legislative Assembly.
A relative of Mufti, Madni was appointed the party's vice-president in February this year.
On Saturday, Mufti was re-elected the PDP president for a record sixth consecutive time. The PDP's electoral college met in Jammu, where Mufti was unanimously elected the party's head for three years.
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