Senior advocate H S Phoolka, who is representing the victims of the riots cases, said he has been conveyed by the apex court registry that Kumar has filed an appeal against the high court's judgement.
He said the victims had already filed a caveat to pre-empt any ex parte hearing in favour of Kumar.
Kumar was convicted and sentenced to life for the remainder of his life by the high court on December 17 in the 1984 anti-Sikh riots in Raj Nagar area.ALSO READ: Sajjan Kumar's plea for more time to surrender in 1984 riots case rejected
The case relates to the killing of five Sikhs in Raj Nagar part-I area in Palam Colony in South West Delhi on November 1-2, 1984, and burning down a Gurudwara in Raj Nagar part II during that period.
The high court had on Friday rejected Kumar's plea seeking an extension of time till January 30 to surrender for serving his punishment.ALSO READ: Congress's Sajjan Kumar jailed for life in 1984 Sikh riots case, to move SC