Study of MBA deals with the enhancement of managerial skill so that the fundamentals learnt in the Institute is of immense help in sorting out management related issues. If you mean to say perusal of MBA course is a prudent approach, there is no denyl from my side.
Since you have indicated that you are in the last semester of Aeronautical - engineering and hence any post graduate degree in management from a reputed Institutes like IIM, IIT etc would multiply your job - prospects. Their quality of education is better than the ordinary institutes providing MBA degree and by taking admission in such colleges would not be helpful to you in being familiar with the management - tools. Hence persue for CAT so that your destination to achieve a coveted degree is fulfilled.
Again considering the stream fitting to you has to be considered so that there is expansion of your managerial acumenship. HR ie Human - resources is one of the areas where you would come across the detailed study of human - behaviour and its strength to achieve higher goals.
The other field advantageous to you may be the Computer - management and such course would strengthen your computer - skill essential for the management of your job you are likely to handle in future. However, an attempt for this stream has to be persued from a coveted management institute.