Diploma

Yes, you can do BBA after polytechnic.

Hi Tanisha,
Yes, you can pursue PG Diploma in marketing management after B.Sc (PCM). The minimum qualification criteria is graduation in any discipline. For more details, check the following link: https://www.shiksha.com/careers/marketing-manager-71

Hello Retik,
As mechatronics is a new branch in this field and it is a combination or electrical and mechanical branch so you must choose mechatronics.
All the best.

Hi Richa,
There are a few colleges to offer short-tem Diploma courses in education management and administration through distance education:
NMIMS
Symbiosis
IGNOU
IDOL- University of Mumbai
Amity University
You can choose them in the order of the ranks given above.
All the best.

Hi Meghna, it totally depends on your interest. If you want to further enhance your skills in interior designing then go for:
Product Design (2 years)
Furniture & Interior Design (2 years)
Ceramic & Glass Design (2 years)
Graphic Design (2 years)
Animation Film Design (2 years)
Film & Video Communication