Hello , your score is slightly less , but as you are from SC category , so you do have a chances for getting a college in Mumbai or Pune in marketing field , surely if you search for all the colleges in Mumbai or Pune then you will be able to get into one of the college ,but there is also another option for you , you can even try for other exams like NMAT , SNAP , CAT  because of your category you will have good chance in all the exams , as for doing MBA , the most important thing is to get into the top B-school as to build your career , so i would suggest , do not go for low level college ,  for your help I will be sharing some links of the top colleges in MUMBAI and Pune .

https://bschool.careers360.com/colleges/list-of-mba-colleges-in-mumbai

https://bschool.careers360.com/colleges/ranking/top-mba-colleges-in-pune

Hope it helps ,

Thank you