Bachelors

Never think negative or doubt your own abilities. 60% marks is the minimum criteria for admission in any good college, and if you want to pursue your career with decent earning, then you must put in some efforts for it. To gain those marks, you will have to prepare a timetable and study accordingly. Also, keep some time for your recreational purpose, as it is needed for your holistic growth. Last but not the least, be sincere towards your studies and study well in order to get admitted in a reputed college and start a great career. Remember; Admission in a good college is were half of your career is made.

You may join an MBA in event management course.

Please check:
https://www.shiksha.com/mba/course/mms-in-logistics-and-supply-chain-management-institute-of-logistics-and-aviation-management-bangalore-indiranagar-198496

It's difficult for you but not impossible by looking your marks from SSC, HSC and graduation. You have to score really very high for IIM and then have to crack Interviews as well. One if you reach to IIM then you will never ask your last question of placement to yourself again. Companies make queue to hire IIM guys so don't worry about placements.

Can I know where from you wish to pursue this course?