hello aspirant

yes you can  try get admission in DU with 90 % marks as there are also some colleges of DU that accepting cutoff between 80 - 90% in boards so you can get admission in that. here is the list of colleges

Zakir Husain Delhi College - B.Com (//B.Com)

Shaheed Bhagat Singh College Evening

Vivekananda College

sri guru nanak dev khalsa college

Motilal Nehru College (Evening)

Aryabhatta College

Shaheed Bhagat College

Swami Shardhanand College

Dr. Bhim Rao Ambedkar College

Motilal Nehru College

there are many colleges you can check

hope it helps