Placements are impacted by market conditions of Software companies’ performance of real estate. Placements for MBA depend on more than just gaining theoretical knowledge and good scores. You need to develop soft skills like:
an attitude of gratitude and humility
good communication skills
ability to work in a team
good negotiation
All these factors combined with your own luck and passion determine your placements.
Nowadays MBA has become as common as BCOM. Also the placements for MBA have seen a decrease in figures. Big firms only prefer students from big IIMs or reputed B Schools. So to secure the best package, work real hard and acquire as many skills as possible.