Mumbai

Please refer to the link provided below for a list of colleges which offer courses in farming and agriculture in Mumbai. You should be able to use the filters to navigate to a college of your choice. Also, download their brochure which contains important details like eligibility, admission criteria, fee structures, entrance exams required to qualify for admission, etc.
https://www.shiksha.com/engineering/colleges/diploma-agriculture-farm-engineering-colleges-india

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

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

That's totally on you and your choice. It also depends on what field you specifically want to pursue.

Check the best for you:
1-Indian Institute of Tourism and Travel Management - Bhubaneswar, Orissa
2-Skyline Institute of Travel & Tourism - New Delhi, Delhi
3-Shreemati Nathibai Damodar Thackersey University - Mumbai, Maharashtra