Shri Ram College of Commerce, University of Delhi

No, you can't apply for B.Com honors in any college of DU like SRCC unless you have maths in both class 11th and class 12th. You must have maths either as an additional subject (6th subject) or as an optional subject (5th subject). You can just pass in maths by scoring 33 marks only.

It will add your best of four and it is not mandatory to add maths marks.

visit this link to predict your chances
https://www.shiksha.com/college/srcc-shri-ram-college-of-commerce-maurice-nagar-delhi-23930/admission
well this is quite difficult because the cut off for SRCC are always 99.__%

Firstly, your main preference should be the marks you have to score well. In class 12th, only on this basis, you will get the college as per you. Score around 98 to 99% to get admission.

Here are some courses which have an entrance. The cutoff of BCom honors is starting from 98%. BA maths, BA economics is on a merit basis. BA mass communication, BBA has entrance. This time dU registration would start from april

You can get admission to other good colleges of DU in the south campus of Delhi University. The cutoff at the north campus started from 98%. Last year. But, it can vary this year also.
Since you asked about bcom honours, maths has been made compulsory. They will reduce your percentage by2.5% for maths but you can get admission to the course without maths also.