A Bharatiya Janata Party (BJP) leader has filed a complaint against Congress President Mallikarjun Kharge at Patna's Kotwali police station over his controversial remark concerning Prime Minister Narendra Modi's father during a Congress event in the Bihar capital on Sunday.

Krishna Kumar, a member of the BJP's state working committee, submitted the complaint, seeking an investigation into the remark made by Kharge during a programme at Bapu Sabhagar to mark the birth anniversary of Bihar's first Chief Minister Sri Krishna Singh.