Hello arushi, 95.2% in top four is a top class marks. you can easily get admission in BSc maths hons. in good colleges like Deen Dayal college, Gargi women's college and Hansraj college(you might have to wait for 4th or 5th counseling). below is the link to 2018 du cutoff. it has up to the last cutoff(10th cutoff) since you scored 95.2%, you need to check the top 4th-5th cutoffs to get a better estimate, check it out yourself:

DU 2018 all rounds cutoff: http://www.du.ac.in/cut-off.html