Bachelors

Yes, you can study. You should apply for IELTS/GRE. You should score 6.5 or above score. You can take admission in university of oxford, university of Cambridge, university of St Andrews, university of Leeds etc.

Yes, you can easily get great universities in Canada, like University of Toronto, McGill University, University of Calgary, University of Ottawa and many more with IELTS requirement of 7 or less (6.5 in each section) and 6.5 (6 in each section). Good luck and apply soon since deadlines have started to close.

Check the below link for colleges offering Masters in Horticulture-
https://www.shiksha.com/science/colleges/horticulture-colleges-Mumbai.

If you are looking for government college, then you'll have to crack entrance exam but you can get direct admission in private colleges. You'll have to direct approach college for admission in MCA.

http://goo.gl/szmbNJ
These are college offering journalism course in Pune go through it.

I am assuming that your academics side is not very strong, hence I want to give you advice that work on your extra- curricular, like work for some NGOs, volunteer activities, participation in various activities, sports certificate etc. And, try to get good colleges IVYs are not the only good colleges.

Click below. https://bit.ly/2PTWO7f.

There are many good colleges in DU offering arts course s in North, as well as south campus. St. Stephen, lady Shriram. Ramjas, Hindu. Regards.