Both are comparitively equal if you consider the faculty group, placements, or facilities. But BCE Patna is located in a capital city, so it has its advantages and disadvantages. If you can use the urban location in a good way, then its better to go for BCE Patna, otherwise NCE is also fine for EEE.
For better comparison, see: https://www.careers360.com/colleges/nalanda-college-of-engineering-chandi
https://www.careers360.com/colleges/bakhtiyarpur-college-of-engineering-patna