BCA

On the basis of BCA degree, you can not do M.Tech. For M, Tech, You needs to do MCA or M.Sc. (IT/CS) along with a valid score of GATE.

Hello,It entirely depends upon your career aspirations and current interests. Choose MBA in IT if you wish to acquire managerial skills and work at the management level; choose MCA if you have an inclination towards coding and technical topics.

Hello,
It depends entirely upon your career aspirations and interests. Choose an MBA if you want to work at the management level; choose MCA if you have an inclination towards coding and technical topics.

Yes, you can get a job after BCA.

To pursue an MBA one has to write an Entrance Exam like CAT GMAT XAT MAT CMAT ATMA NMAT are mandatory since you mentioned that you have not cleared the Exam it is possible to get admission in MBA without Entrance examination. You can get Direct MBA admission in Top B schools particularly Private Uni

Visit - http://dypatildistancemba.com/OnlineMBA/