CBSE 10th

Yes, you can! If you want to pursue Mechanical engineering then it will be very beneficial course. Also, I suggest you to start the preparation for JEE Main and JEE Advance from now only. It will be easier for you later after completing the boards exam since there is very short time between the JEE Main and boards exam
Best of luck.
I hope your query is resolved.

Admission in IIMB depends on whether you have received a call. If you don't receive a call, you can't get admission in IIMB.

No, according to my knowledge, you cannot do diploma in fashion designing immediately after 10th class but you can do polytechnic courses for fashion designing. You have to complete intermediate.

You will be eligible if you get a good score in CAT and other entrance exams.

Study hard and score good in class 10th. Then, choose PCM + Computer in class 12th and again score 90+. Then, beat IIT Advance and then pursue a course in related field like Robotics, programming etc. Then, later you can directly apply in NASA or pursue a Job elsewhere. They usually hire experienced personnel. You can also pursue M.Tech, and then research in India and then apply in NASA. If they will be interested, then they will call you.

Yes, you can. You will have to fill the state level entrance exam form for polytechnic and score well. DY Patil is a reputed college, so you will have to work hard for it.

Rap singer does not need any graduation or anything. But if you want to be one try to get recognised or use social media to spread your talent.

Hi Naina, Candidates are selected based on CAT score and performance in Group Discussion/ Personal Interview. https://www.shiksha.com/mba/course/master-of-business-administration-department-of-management-studies-indian-institute-of-technology-delhi-hauz-khas-163023.

Hi,
You can pursue Diploma in Yoga after class 10th.

Yes, you are eligible to get admission in MBA program at NIT Rourkela. You need to face group discussion and personal interview. Good luck and have a nice day.