Hi Dear,

I'll recommend you to contact the School of Open Learning , University of Delhi for change in your subject. You can contact them on the following number or visit the office on the given address:

North Campus    :

School of Open Learning

[Campus of Open Learning]

5, Cavalry Lane, University of Delhi,

Delhi - 110007.

Contact: 27008300

South Campus

School of Open Learning

[Campus of Open Learning]

South Study Center

South Moti Bagh,(Old Moti Lal Nehru College Building)

New Delhi - 110021.

Contact:   24151600

You can also enquire on given link:

https://sol.du.ac.in/info/enquiry

Good Luck