The University of Delhi, informally known as Delhi University, is a collegiate public central university located in New Delhi, India. It was founded in 1922 by an Act of the Central Legislative Assembly and is recognized as an Institute of Eminence by the University Grants Commission.

For Msc in chemistry 55% (in aggregate) is  required. As you got 86.9% you can easily get chance for admission in Msc chemistry in DU. https://university.careers360.com/delhi-university-college-predictor?utm_soource=qna&utm_medium=du_cp

This link will help you .