Maharashtra

Please refer to the link provided below for a list of colleges which offer courses in mass communication and journalism in Mumbai. You should be able to navigate to a college of your choice using the filters on the webpage. Important details like fee structures, affiliations and recognition, brochures are available at the link provided below:
https://www.shiksha.com/mass-communication-media/colleges/colleges-mumbai

Hi,
You need to appear for the OPEN MAT conducted by the university after that admission is done through counseling on the basis of marks obtained in OPEN MAT examination.
https://www.shiksha.com/mba/course/master-of-business-administration-indira-gandhi-national-open-university-saket-delhi-110889

Changing a course in the same university is done usually. Transfer from one university to the other depends on the course chosen and also the university. Transfer from Pune University to Lucknow University may have some documentation work to be done which can be known only after the enquiry. You will have to contact the college's office and ask them what is the procedure and which are the documents required to change the university.

Please use the link provided below for a list of colleges which offer M.Sc courses in mathematics in Mumbai.
You can download the brochure of the college which contains important details like eligibility, admission process, and application dates.
https://www.shiksha.com/science/colleges/m-sc-mathematics-colleges-mumbai