Hello Veteran,

According to my knowledge and a formal information brochure provided by UPSEE, I found that it should come under Technical Vocational Subject. As you can visit official website of UPSEE and on upper screen you can find information brochure in which each and every detail is mentioned. It is mentioned that Maths and Physics are compulsory subjects. Following is link to information brochure or you can visit official site there you will find-

https://upsee.nic.in/publicinfo/Handler/FileHandler.ashx?i=File&ii=265&iii=Y

If you find further queries then you can ask anytime.

WISH YOU LUCK