Hey Anil!

If you hadn't added EWS in your category while filling up the applicatiom form then, you won't be able to do it now. If you had applied as general category student, you will have to continue with the same category in the admission process.

As per your percentage, colleges have released their first cut off lists. Although in top north campus colleges the percentage for Political Science honours is around 99 and 100. Ramanujan College has set it's first cut off for B.A.(H) Political Science as 97% for unreserved category but since you have 96.75 you cannot enrol in this cut off but maybe in the next cut off. Deshbandhu college has set it's first cut off for political science honours as 96%. Aryabhatta college has also set 96% for the same course. Janki Devi Memorial College has also set up 96%. You can check the percentage of various DU colleges for Political Science(Hons.) and other courses through the link provided below.

https://news.careers360.com/delhi-university-admission-2021-du-cut-off-first-live-updates-today-du-ac-in-colleges-released-cutoffs-hindu-college-hansraj-lsr-jmc