Hello dear aspirant,
The probability of your admission in Delhi university depends  on aggregate percentage of best four subjects or  the aggregate percentage of PCM. So your 96% doesn't matter for admission and what matters is the BFS or PCM percentage.
If you pursue B. Sc Chemistry Or Physics Hons. ,  then your PCM percentageis taken into account,  for maths Hons. BFS is considered
Since your overall percentage is good,  you have a nice chance of getting B. Sc  in Miranda House. You can easily get admission there,  if your Aggregate percentage is higher than 97 %,  even 96% can do the task for you.

Please do mention your course and aggregate percentage to make the answer more relevant.
Hope it works.
All the best.