Dear Aspirant,

Yes you can definitely opt for masters in information technology after completing your B.tech in mechanical engg. And for that you will have to clear entrance exams such as GATE or depending on the specific college. To get into Masters in Information Technology, you will have to prove your knowledge in Information Technology.  IITs could be a good college option for you for Masters in Information Technology.

Although M.tech or MBA degree is considered to be the most common degree after B.tech.