Design

I will suggest you to do B.Tech first from mechanical branch. Here you will learn the core of IC engines and factors they depend on. Then qualify NIED exam and learn designing. You can also learn designing on CAD software in B.Tech.

Did you do any course related to sketching? If not, there is an internship program from EXPERTSHUB in summer in Delhi and other places. Check it & go for it. Download tutorials from YouTube. Sketching apo is available on playstore to learn basics.

So, you want to become a fashion designer and start your own label - and also participate in fashion shows. So, for this, take up a degree course in fashion designing from top fashion institutes like NID or NIFT. Otherwise, Pearl Academy and IIFT is also good.
You donot have to choose subjects - the

Both are different areas. Event Management is more closer to Hospitality Administration / Management. So, event management companies prefer hotel Management graduates for key positions. MBA courses in Event Management are available with leading universities. For more details, please go through MBA l

Viscom is a programme in visual communication that gives you a well-rounded exposure to the creative field including writing, editing, photography, film, animation, design and other aspects of the media. Crafting and 3D sketching, etc. are a part of all this.
This programme covers 3D designing and pr

I feel one should focus on one course at a time. If you believe that you can manage both, I suggest you to take two courses in nearby fields, so that you can cover both.