Yes, you can pursue ME/MTech in CSE after B.Tech in CSE with Specialization in AI, perhaps you need to appear for GATE CSE followed by admission in higher technical institutes like Top IITs, NITs, BITS Pilani, IIITs, IIIT Hyderabad and IISc Bangalore.

For more information about colleges having Mtech CSE Course do follow the link below

https://engineering.careers360.com/colleges/list-of-me-mtech-in-computer-science-engineering-colleges-in-india

For more information about GATE CSE do follow the link below

https://engineering.careers360.com/articles/how-prepare-for-gate-computer-science-engineering