Hello Aspirant,
For BCA (Bachelor of Computer Applications) there are so many institutions in Uttar Pradesh but if we talk about best government college specifically in Lucknow, so our first choice should be National Post Graduate College, it is located in Hazratganj.
For more details about this college you can visit the given link :-
Link :- https://www.careers360.com/colleges/national-post-graduate-college-lucknow
Hope this cleared your doubts. For any other query feel free to ask.
All The Best!!
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile