You should take up short onljne courses into Business Communication skills, Leadership, Team management, Microsoft Excel, Corporate Finance whichare jn high demand and must haves for all job opportunities. These skills will help you having an edge over others in pursuing MBA as well. Online course platforms lkke Coursera, Edx, Simplilearn are the best. You can also take up some internship experience to boost CV weightage and hands on experience.

You are doing BMS course? Along with it you can do short term courses like in
-Digital Marketing
-Business Administration
-Financial Management (incase you want to go in finance further)
-Retails and Logistics

These are certification and short term courses you can opt for if interested to gain knowledge.

You can do these from some of the institutes like:

UEI Golbal
IIBM
EMPI Business School
NMIMS
IIFT


Good luck.