Hi aspirant,

Yes, B.com student can take admission in MCA( master of computer Applications). This is a three years course. The eligibility criteria is graduate with a bachelor's in science, commerce,  engineering from an UGC approved college and University. Even candidates who are applying for the final year exams are also allowed to apply for MCA. You can focus on management of information systems, system development, systems engineering or application software.

Hope this information will help you. Best of luck.