Dear Aastha, 
First of all Congratulations for scoring such good marks. In Delhi University,  the admission in Physics Hons. is based on the aggregate percentage of Physics, Chemistry and Mathematics i. e. The cuoff for Physics Hons depends on the marks of PCM.  Since you have an overall 92%,  I can expect that in PCM, the aggregate percentage would be greater than it.
It would be better if you can let us know your percentage in PCM,  with about 95 % in PCM,  you can eye on the following colleges of Delhi University,  all of these colleges have a high reputation in DU
1)  Hansraj College
2)  Shri vanketeshwar College
3)  Miranda House
4)  Lady Shri ram College
5)  Ramjas college
6) Gargi College

Hope,  it works for you.
Please do comment for further information.

DU Delhi

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