Bahujan Samaj Party (BSP) president Mayawati's father Prabhu Dayal died on Thursday, the party said.
Prabhu Dayal (95) was ailing for some time.
BSP general secretary Satish Misra issued a condolence message, informing about the demise of the party supremo's father.
He expressed condolence on behalf of the party cadre and leaders.
BSP sources said though a final decision was yet to be taken, Prabhu Dayal's last rites could be performed in Delhi on Friday afternoon.