DDUC and ARSDC both are the famous colleges under University of Delhi, Delhi . Now when you are going for BCOM the thing you must ensure is that the academic environment must be great. Now as per the information available, DDUC have a better academic atmosphere compared to that of ARSDC. Also the placements (as offered) is better compared to that of ARSDC. Apart from this for advanced topics in BCOM such as Corporate Law, Business Mathematics, Taxation and Management, there are more teachers experienced to this in DDUC compared to that of ARSDC. So if you wish to go for any of the two, I would recommend you to go for DDUC.

To know more about DDUC visit the link below:

https://www.careers360.com/colleges/deen-dayal-upadhyaya-college-new-delhi

To know more about ARSDC visit the link below:

https://www.careers360.com/colleges/atma-ram-sanatan-dharma-college-new-delhi

I hope this answer helps. All the very best for your future endeavors!