Commerce

You can do Bachelor in Mass Media after class 12th. This can help you in pursuing cinematography, and then you can go for higher studies in this field through various renowned institutes.

IPM for entrance in IIM, CET for entrance in DAVV, CS Foundation for doing Company Secretary and CA CPT for ICAI. These are some of the main examinations. You can either go for a coaching or can go for online training.

It all depends on the individual's field of interest. Medical is lucrative field, but requires great effort from the individual. Comparatively art and Commerce need slightly less efforts but not very easy going. If one targets CA after B.Com, then it again needs equally great efforts.

As you have completed +2 from Commerce and graduation in engineering, you have a diversified experience from different fields. With this academic experience, you can very well go for MBA forward. Managers with diversified field's knowledge are suited for most of the positions in the corporate. But, it may sometime backfires, as you didn't stick to one field of education. So, it is all up to you how you portray your knowledge and skills.

If you are a general category, then it will be difficult to get in Delhi University.

Yes hons courses usually need the knowledge of maths but every university has its own rules some universities like kurukshetra university doesnt demand maths compulsory for eco hons. So it usually depends on which university you are seeking for admission

You can opt for NIFT or IIFT. Become a fashion designer and do business.

Yes, you can get admit into Delhi University for B.Com program. It will depend on your 12th marks and entrance exam of applicable.

Best combinations in Commerce stream:
HEBA - History Economics Business Accountancy
SEBA - Statistics Economics Business Accountancy
CEBA - Computer Science Economics Business Accountancy. This will lead you to what you want to do ahead.