Should I take admission in UEM-Kolkata instead of UEM-Jaipur?

Both the colleges are good. You can go for any one of them as per your convenience.

See Arman, If you are looking for good college and specially in Kolkata or near to it, then no doubt you join UEM, Kolkata. For your convenience, visit the link to know more about this: https://www.shiksha.com/university/university-of-engineering-and-management-kolkata-47398

Yes, you can if you score well, then you can get admission in UEM Kolkata, Infact UEM Kolkata is better than Jaipur in terms of placement, faculty infrastructure and laboratory.